64949600

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4273}}^1$

素因数の和:4312

約数の個数: 72

約数和(自身を含む): 166942440

約数和(自身を除く): 101992840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 3040, 3800, 4273, 7600, 8546, 15200, 17092, 21365, 34184, 42730, 68368, 81187, 85460, 106825, 136736, 162374, 170920, 213650, 324748, 341840, 405935, 427300, 649496, 683680, 811870, 854600, 1298992, 1623740, 1709200, 2029675, 2597984, 3247480, 3418400, 4059350, 6494960, 8118700, 12989920, 16237400, 32474800, 64949600]

約数ペア:

[(1, 64949600), (2, 32474800), (4, 16237400), (5, 12989920), (8, 8118700), (10, 6494960), (16, 4059350), (19, 3418400), (20, 3247480), (25, 2597984), (32, 2029675), (38, 1709200), (40, 1623740), (50, 1298992), (76, 854600), (80, 811870), (95, 683680), (100, 649496), (152, 427300), (160, 405935), (190, 341840), (200, 324748), (304, 213650), (380, 170920), (400, 162374), (475, 136736), (608, 106825), (760, 85460), (800, 81187), (950, 68368), (1520, 42730), (1900, 34184), (3040, 21365), (3800, 17092), (4273, 15200), (7600, 8546)]