25525240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 62415360

約数和(自身を除く): 36890120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 257, 260, 382, 514, 520, 764, 955, 1028, 1285, 1528, 1910, 2056, 2483, 2570, 3341, 3820, 4966, 5140, 6682, 7640, 9932, 10280, 12415, 13364, 16705, 19864, 24830, 26728, 33410, 49087, 49660, 66820, 98174, 99320, 133640, 196348, 245435, 392696, 490870, 638131, 981740, 1276262, 1963480, 2552524, 3190655, 5105048, 6381310, 12762620, 25525240]

約数ペア:

[(1, 25525240), (2, 12762620), (4, 6381310), (5, 5105048), (8, 3190655), (10, 2552524), (13, 1963480), (20, 1276262), (26, 981740), (40, 638131), (52, 490870), (65, 392696), (104, 245435), (130, 196348), (191, 133640), (257, 99320), (260, 98174), (382, 66820), (514, 49660), (520, 49087), (764, 33410), (955, 26728), (1028, 24830), (1285, 19864), (1528, 16705), (1910, 13364), (2056, 12415), (2483, 10280), (2570, 9932), (3341, 7640), (3820, 6682), (4966, 5140)]