12770680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 31752000

約数和(自身を除く): 18981320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 599, 820, 1066, 1198, 1640, 2132, 2396, 2665, 2995, 4264, 4792, 5330, 5990, 7787, 10660, 11980, 15574, 21320, 23960, 24559, 31148, 38935, 49118, 62296, 77870, 98236, 122795, 155740, 196472, 245590, 311480, 319267, 491180, 638534, 982360, 1277068, 1596335, 2554136, 3192670, 6385340, 12770680]

約数ペア:

[(1, 12770680), (2, 6385340), (4, 3192670), (5, 2554136), (8, 1596335), (10, 1277068), (13, 982360), (20, 638534), (26, 491180), (40, 319267), (41, 311480), (52, 245590), (65, 196472), (82, 155740), (104, 122795), (130, 98236), (164, 77870), (205, 62296), (260, 49118), (328, 38935), (410, 31148), (520, 24559), (533, 23960), (599, 21320), (820, 15574), (1066, 11980), (1198, 10660), (1640, 7787), (2132, 5990), (2396, 5330), (2665, 4792), (2995, 4264)]