31177250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 64393056

約数和(自身を除く): 33215806

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 125, 130, 181, 250, 265, 325, 362, 530, 650, 689, 905, 1325, 1378, 1625, 1810, 2353, 2650, 3250, 3445, 4525, 4706, 6625, 6890, 9050, 9593, 11765, 13250, 17225, 19186, 22625, 23530, 34450, 45250, 47965, 58825, 86125, 95930, 117650, 124709, 172250, 239825, 249418, 294125, 479650, 588250, 623545, 1199125, 1247090, 2398250, 3117725, 6235450, 15588625, 31177250]

約数ペア:

[(1, 31177250), (2, 15588625), (5, 6235450), (10, 3117725), (13, 2398250), (25, 1247090), (26, 1199125), (50, 623545), (53, 588250), (65, 479650), (106, 294125), (125, 249418), (130, 239825), (181, 172250), (250, 124709), (265, 117650), (325, 95930), (362, 86125), (530, 58825), (650, 47965), (689, 45250), (905, 34450), (1325, 23530), (1378, 22625), (1625, 19186), (1810, 17225), (2353, 13250), (2650, 11765), (3250, 9593), (3445, 9050), (4525, 6890), (4706, 6625)]