71389840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 177577920

約数和(自身を除く): 106188080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 67, 76, 80, 95, 134, 152, 190, 268, 304, 335, 380, 536, 670, 701, 760, 1072, 1273, 1340, 1402, 1520, 2546, 2680, 2804, 3505, 5092, 5360, 5608, 6365, 7010, 10184, 11216, 12730, 13319, 14020, 20368, 25460, 26638, 28040, 46967, 50920, 53276, 56080, 66595, 93934, 101840, 106552, 133190, 187868, 213104, 234835, 266380, 375736, 469670, 532760, 751472, 892373, 939340, 1065520, 1784746, 1878680, 3569492, 3757360, 4461865, 7138984, 8923730, 14277968, 17847460, 35694920, 71389840]

約数ペア:

[(1, 71389840), (2, 35694920), (4, 17847460), (5, 14277968), (8, 8923730), (10, 7138984), (16, 4461865), (19, 3757360), (20, 3569492), (38, 1878680), (40, 1784746), (67, 1065520), (76, 939340), (80, 892373), (95, 751472), (134, 532760), (152, 469670), (190, 375736), (268, 266380), (304, 234835), (335, 213104), (380, 187868), (536, 133190), (670, 106552), (701, 101840), (760, 93934), (1072, 66595), (1273, 56080), (1340, 53276), (1402, 50920), (1520, 46967), (2546, 28040), (2680, 26638), (2804, 25460), (3505, 20368), (5092, 14020), (5360, 13319), (5608, 12730), (6365, 11216), (7010, 10184)]