20175703000

素因数分解:

$2^3\times 5^3\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:1046

約数の個数: 128

約数和(自身を含む): 47847983040

約数和(自身を除く): 27672280040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 200, 233, 250, 262, 466, 500, 524, 655, 661, 932, 1000, 1048, 1165, 1310, 1322, 1864, 2330, 2620, 2644, 3275, 3305, 4660, 5240, 5288, 5825, 6550, 6610, 9320, 11650, 13100, 13220, 16375, 16525, 23300, 26200, 26440, 29125, 30523, 32750, 33050, 46600, 58250, 61046, 65500, 66100, 82625, 86591, 116500, 122092, 131000, 132200, 152615, 154013, 165250, 173182, 233000, 244184, 305230, 308026, 330500, 346364, 432955, 610460, 616052, 661000, 692728, 763075, 770065, 865910, 1220920, 1232104, 1526150, 1540130, 1731820, 2164775, 3052300, 3080260, 3463640, 3815375, 3850325, 4329550, 6104600, 6160520, 7630750, 7700650, 8659100, 10823875, 15261500, 15401300, 17318200, 19251625, 20175703, 21647750, 30523000, 30802600, 38503250, 40351406, 43295500, 77006500, 80702812, 86591000, 100878515, 154013000, 161405624, 201757030, 403514060, 504392575, 807028120, 1008785150, 2017570300, 2521962875, 4035140600, 5043925750, 10087851500, 20175703000]

約数ペア:

[(1, 20175703000), (2, 10087851500), (4, 5043925750), (5, 4035140600), (8, 2521962875), (10, 2017570300), (20, 1008785150), (25, 807028120), (40, 504392575), (50, 403514060), (100, 201757030), (125, 161405624), (131, 154013000), (200, 100878515), (233, 86591000), (250, 80702812), (262, 77006500), (466, 43295500), (500, 40351406), (524, 38503250), (655, 30802600), (661, 30523000), (932, 21647750), (1000, 20175703), (1048, 19251625), (1165, 17318200), (1310, 15401300), (1322, 15261500), (1864, 10823875), (2330, 8659100), (2620, 7700650), (2644, 7630750), (3275, 6160520), (3305, 6104600), (4660, 4329550), (5240, 3850325), (5288, 3815375), (5825, 3463640), (6550, 3080260), (6610, 3052300), (9320, 2164775), (11650, 1731820), (13100, 1540130), (13220, 1526150), (16375, 1232104), (16525, 1220920), (23300, 865910), (26200, 770065), (26440, 763075), (29125, 692728), (30523, 661000), (32750, 616052), (33050, 610460), (46600, 432955), (58250, 346364), (61046, 330500), (65500, 308026), (66100, 305230), (82625, 244184), (86591, 233000), (116500, 173182), (122092, 165250), (131000, 154013), (132200, 152615)]