20595471650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{1439}}^1$

素因数の和:1788

約数の個数: 96

約数和(自身を含む): 41892318720

約数和(自身を除く): 21296847070

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 194, 227, 325, 454, 485, 650, 970, 1135, 1261, 1439, 2270, 2425, 2522, 2878, 2951, 4850, 5675, 5902, 6305, 7195, 11350, 12610, 14390, 14755, 18707, 22019, 29510, 31525, 35975, 37414, 44038, 63050, 71950, 73775, 93535, 110095, 139583, 147550, 187070, 220190, 279166, 286247, 326653, 467675, 550475, 572494, 653306, 697915, 935350, 1100950, 1395830, 1431235, 1633265, 1814579, 2862470, 3266530, 3489575, 3629158, 4246489, 6979150, 7156175, 8166325, 8492978, 9072895, 14312350, 16332650, 18145790, 21232445, 31685341, 42464890, 45364475, 63370682, 90728950, 106162225, 158426705, 212324450, 316853410, 411909433, 792133525, 823818866, 1584267050, 2059547165, 4119094330, 10297735825, 20595471650]

約数ペア:

[(1, 20595471650), (2, 10297735825), (5, 4119094330), (10, 2059547165), (13, 1584267050), (25, 823818866), (26, 792133525), (50, 411909433), (65, 316853410), (97, 212324450), (130, 158426705), (194, 106162225), (227, 90728950), (325, 63370682), (454, 45364475), (485, 42464890), (650, 31685341), (970, 21232445), (1135, 18145790), (1261, 16332650), (1439, 14312350), (2270, 9072895), (2425, 8492978), (2522, 8166325), (2878, 7156175), (2951, 6979150), (4850, 4246489), (5675, 3629158), (5902, 3489575), (6305, 3266530), (7195, 2862470), (11350, 1814579), (12610, 1633265), (14390, 1431235), (14755, 1395830), (18707, 1100950), (22019, 935350), (29510, 697915), (31525, 653306), (35975, 572494), (37414, 550475), (44038, 467675), (63050, 326653), (71950, 286247), (73775, 279166), (93535, 220190), (110095, 187070), (139583, 147550)]