20416873100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{769}}^1\times {\mathrm{1571}}^1$

素因数の和:2380

約数の個数: 108

約数和(自身を含む): 48067782840

約数和(自身を除く): 27650909740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 769, 845, 1300, 1538, 1571, 1690, 3076, 3142, 3380, 3845, 4225, 6284, 7690, 7855, 8450, 9997, 15380, 15710, 16900, 19225, 19994, 20423, 31420, 38450, 39275, 39988, 40846, 49985, 76900, 78550, 81692, 99970, 102115, 129961, 157100, 199940, 204230, 249925, 259922, 265499, 408460, 499850, 510575, 519844, 530998, 649805, 999700, 1021150, 1061996, 1208099, 1299610, 1327495, 2042300, 2416198, 2599220, 2654990, 3249025, 4832396, 5309980, 6040495, 6498050, 6637475, 12080990, 12996100, 13274950, 15705287, 24161980, 26549900, 30202475, 31410574, 60404950, 62821148, 78526435, 120809900, 157052870, 204168731, 314105740, 392632175, 408337462, 785264350, 816674924, 1020843655, 1570528700, 2041687310, 4083374620, 5104218275, 10208436550, 20416873100]

約数ペア:

[(1, 20416873100), (2, 10208436550), (4, 5104218275), (5, 4083374620), (10, 2041687310), (13, 1570528700), (20, 1020843655), (25, 816674924), (26, 785264350), (50, 408337462), (52, 392632175), (65, 314105740), (100, 204168731), (130, 157052870), (169, 120809900), (260, 78526435), (325, 62821148), (338, 60404950), (650, 31410574), (676, 30202475), (769, 26549900), (845, 24161980), (1300, 15705287), (1538, 13274950), (1571, 12996100), (1690, 12080990), (3076, 6637475), (3142, 6498050), (3380, 6040495), (3845, 5309980), (4225, 4832396), (6284, 3249025), (7690, 2654990), (7855, 2599220), (8450, 2416198), (9997, 2042300), (15380, 1327495), (15710, 1299610), (16900, 1208099), (19225, 1061996), (19994, 1021150), (20423, 999700), (31420, 649805), (38450, 530998), (39275, 519844), (39988, 510575), (40846, 499850), (49985, 408460), (76900, 265499), (78550, 259922), (81692, 249925), (99970, 204230), (102115, 199940), (129961, 157100)]