31187000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2433

約数の個数: 64

約数和(自身を含む): 78624000

約数和(自身を除く): 47437000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2399, 2600, 3250, 4798, 6500, 9596, 11995, 13000, 19192, 23990, 31187, 47980, 59975, 62374, 95960, 119950, 124748, 155935, 239900, 249496, 299875, 311870, 479800, 599750, 623740, 779675, 1199500, 1247480, 1559350, 2399000, 3118700, 3898375, 6237400, 7796750, 15593500, 31187000]

約数ペア:

[(1, 31187000), (2, 15593500), (4, 7796750), (5, 6237400), (8, 3898375), (10, 3118700), (13, 2399000), (20, 1559350), (25, 1247480), (26, 1199500), (40, 779675), (50, 623740), (52, 599750), (65, 479800), (100, 311870), (104, 299875), (125, 249496), (130, 239900), (200, 155935), (250, 124748), (260, 119950), (325, 95960), (500, 62374), (520, 59975), (650, 47980), (1000, 31187), (1300, 23990), (1625, 19192), (2399, 13000), (2600, 11995), (3250, 9596), (4798, 6500)]