8587949680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{5003}}^1$

素因数の和:5558

約数の個数: 80

約数和(自身を含む): 20476368000

約数和(自身を除く): 11888418320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 499, 688, 860, 998, 1720, 1996, 2495, 3440, 3992, 4990, 5003, 7984, 9980, 10006, 19960, 20012, 21457, 25015, 39920, 40024, 42914, 50030, 80048, 85828, 100060, 107285, 171656, 200120, 214570, 215129, 343312, 400240, 429140, 430258, 858280, 860516, 1075645, 1716560, 1721032, 2151290, 2496497, 3442064, 4302580, 4992994, 8605160, 9985988, 12482485, 17210320, 19971976, 24964970, 39943952, 49929940, 99859880, 107349371, 199719760, 214698742, 429397484, 536746855, 858794968, 1073493710, 1717589936, 2146987420, 4293974840, 8587949680]

約数ペア:

[(1, 8587949680), (2, 4293974840), (4, 2146987420), (5, 1717589936), (8, 1073493710), (10, 858794968), (16, 536746855), (20, 429397484), (40, 214698742), (43, 199719760), (80, 107349371), (86, 99859880), (172, 49929940), (215, 39943952), (344, 24964970), (430, 19971976), (499, 17210320), (688, 12482485), (860, 9985988), (998, 8605160), (1720, 4992994), (1996, 4302580), (2495, 3442064), (3440, 2496497), (3992, 2151290), (4990, 1721032), (5003, 1716560), (7984, 1075645), (9980, 860516), (10006, 858280), (19960, 430258), (20012, 429140), (21457, 400240), (25015, 343312), (39920, 215129), (40024, 214570), (42914, 200120), (50030, 171656), (80048, 107285), (85828, 100060)]