25191400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9689}}^1$

素因数の和:9718

約数の個数: 48

約数和(自身を含む): 63081900

約数和(自身を除く): 37890500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 9689, 19378, 38756, 48445, 77512, 96890, 125957, 193780, 242225, 251914, 387560, 484450, 503828, 629785, 968900, 1007656, 1259570, 1937800, 2519140, 3148925, 5038280, 6297850, 12595700, 25191400]

約数ペア:

[(1, 25191400), (2, 12595700), (4, 6297850), (5, 5038280), (8, 3148925), (10, 2519140), (13, 1937800), (20, 1259570), (25, 1007656), (26, 968900), (40, 629785), (50, 503828), (52, 484450), (65, 387560), (100, 251914), (104, 242225), (130, 193780), (200, 125957), (260, 96890), (325, 77512), (520, 48445), (650, 38756), (1300, 19378), (2600, 9689)]