12866360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 31600800

約数和(自身を除く): 18734440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 227, 260, 436, 454, 520, 545, 872, 908, 1090, 1135, 1417, 1816, 2180, 2270, 2834, 2951, 4360, 4540, 5668, 5902, 7085, 9080, 11336, 11804, 14170, 14755, 23608, 24743, 28340, 29510, 49486, 56680, 59020, 98972, 118040, 123715, 197944, 247430, 321659, 494860, 643318, 989720, 1286636, 1608295, 2573272, 3216590, 6433180, 12866360]

約数ペア:

[(1, 12866360), (2, 6433180), (4, 3216590), (5, 2573272), (8, 1608295), (10, 1286636), (13, 989720), (20, 643318), (26, 494860), (40, 321659), (52, 247430), (65, 197944), (104, 123715), (109, 118040), (130, 98972), (218, 59020), (227, 56680), (260, 49486), (436, 29510), (454, 28340), (520, 24743), (545, 23608), (872, 14755), (908, 14170), (1090, 11804), (1135, 11336), (1417, 9080), (1816, 7085), (2180, 5902), (2270, 5668), (2834, 4540), (2951, 4360)]