64969760

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1699}}^1$

素因数の和:1953

約数の個数: 48

約数和(自身を含む): 154224000

約数和(自身を除く): 89254240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 956, 1195, 1699, 1912, 2390, 3398, 3824, 4780, 6796, 7648, 8495, 9560, 13592, 16990, 19120, 27184, 33980, 38240, 54368, 67960, 135920, 271840, 406061, 812122, 1624244, 2030305, 3248488, 4060610, 6496976, 8121220, 12993952, 16242440, 32484880, 64969760]

約数ペア:

[(1, 64969760), (2, 32484880), (4, 16242440), (5, 12993952), (8, 8121220), (10, 6496976), (16, 4060610), (20, 3248488), (32, 2030305), (40, 1624244), (80, 812122), (160, 406061), (239, 271840), (478, 135920), (956, 67960), (1195, 54368), (1699, 38240), (1912, 33980), (2390, 27184), (3398, 19120), (3824, 16990), (4780, 13592), (6796, 9560), (7648, 8495)]