12901850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 26998272

約数和(自身を除く): 14096422

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 863, 1150, 1495, 1726, 2990, 4315, 7475, 8630, 11219, 14950, 19849, 21575, 22438, 39698, 43150, 56095, 99245, 112190, 198490, 258037, 280475, 496225, 516074, 560950, 992450, 1290185, 2580370, 6450925, 12901850]

約数ペア:

[(1, 12901850), (2, 6450925), (5, 2580370), (10, 1290185), (13, 992450), (23, 560950), (25, 516074), (26, 496225), (46, 280475), (50, 258037), (65, 198490), (115, 112190), (130, 99245), (230, 56095), (299, 43150), (325, 39698), (575, 22438), (598, 21575), (650, 19849), (863, 14950), (1150, 11219), (1495, 8630), (1726, 7475), (2990, 4315)]