129939520

素因数分解:

$2^6\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1699}}^1$

素因数の和:1955

約数の個数: 56

約数和(自身を含む): 310896000

約数和(自身を除く): 180956480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 239, 320, 478, 956, 1195, 1699, 1912, 2390, 3398, 3824, 4780, 6796, 7648, 8495, 9560, 13592, 15296, 16990, 19120, 27184, 33980, 38240, 54368, 67960, 76480, 108736, 135920, 271840, 406061, 543680, 812122, 1624244, 2030305, 3248488, 4060610, 6496976, 8121220, 12993952, 16242440, 25987904, 32484880, 64969760, 129939520]

約数ペア:

[(1, 129939520), (2, 64969760), (4, 32484880), (5, 25987904), (8, 16242440), (10, 12993952), (16, 8121220), (20, 6496976), (32, 4060610), (40, 3248488), (64, 2030305), (80, 1624244), (160, 812122), (239, 543680), (320, 406061), (478, 271840), (956, 135920), (1195, 108736), (1699, 76480), (1912, 67960), (2390, 54368), (3398, 38240), (3824, 33980), (4780, 27184), (6796, 19120), (7648, 16990), (8495, 15296), (9560, 13592)]