405959920

素因数分解:

$2^4\times 5^1\times {\mathrm{797}}^1\times {\mathrm{6367}}^1$

素因数の和:7177

約数の個数: 40

約数和(自身を含む): 945189504

約数和(自身を除く): 539229584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 797, 1594, 3188, 3985, 6367, 6376, 7970, 12734, 12752, 15940, 25468, 31835, 31880, 50936, 63670, 63760, 101872, 127340, 254680, 509360, 5074499, 10148998, 20297996, 25372495, 40595992, 50744990, 81191984, 101489980, 202979960, 405959920]

約数ペア:

[(1, 405959920), (2, 202979960), (4, 101489980), (5, 81191984), (8, 50744990), (10, 40595992), (16, 25372495), (20, 20297996), (40, 10148998), (80, 5074499), (797, 509360), (1594, 254680), (3188, 127340), (3985, 101872), (6367, 63760), (6376, 63670), (7970, 50936), (12734, 31880), (12752, 31835), (15940, 25468)]