205190240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1096

約数の個数: 96

約数和(自身を含む): 513112320

約数和(自身を除く): 307922080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 155, 160, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 992, 1009, 1240, 1271, 1312, 1640, 2018, 2480, 2542, 3280, 4036, 4960, 5045, 5084, 6355, 6560, 8072, 10090, 10168, 12710, 16144, 20180, 20336, 25420, 31279, 32288, 40360, 40672, 41369, 50840, 62558, 80720, 82738, 101680, 125116, 156395, 161440, 165476, 203360, 206845, 250232, 312790, 330952, 413690, 500464, 625580, 661904, 827380, 1000928, 1251160, 1282439, 1323808, 1654760, 2502320, 2564878, 3309520, 5004640, 5129756, 6412195, 6619040, 10259512, 12824390, 20519024, 25648780, 41038048, 51297560, 102595120, 205190240]

約数ペア:

[(1, 205190240), (2, 102595120), (4, 51297560), (5, 41038048), (8, 25648780), (10, 20519024), (16, 12824390), (20, 10259512), (31, 6619040), (32, 6412195), (40, 5129756), (41, 5004640), (62, 3309520), (80, 2564878), (82, 2502320), (124, 1654760), (155, 1323808), (160, 1282439), (164, 1251160), (205, 1000928), (248, 827380), (310, 661904), (328, 625580), (410, 500464), (496, 413690), (620, 330952), (656, 312790), (820, 250232), (992, 206845), (1009, 203360), (1240, 165476), (1271, 161440), (1312, 156395), (1640, 125116), (2018, 101680), (2480, 82738), (2542, 80720), (3280, 62558), (4036, 50840), (4960, 41369), (5045, 40672), (5084, 40360), (6355, 32288), (6560, 31279), (8072, 25420), (10090, 20336), (10168, 20180), (12710, 16144)]