1265870592020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{223}}^2\times {\mathrm{16111}}^1$

素因数の和:16645

約数の個数: 72

約数和(自身を含む): 2704271592960

約数和(自身を除く): 1438401000940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 223, 316, 395, 446, 790, 892, 1115, 1580, 2230, 4460, 16111, 17617, 32222, 35234, 49729, 64444, 70468, 80555, 88085, 99458, 161110, 176170, 198916, 248645, 322220, 352340, 497290, 994580, 1272769, 2545538, 3592753, 3928591, 5091076, 6363845, 7185506, 7857182, 12727690, 14371012, 15714364, 17963765, 19642955, 25455380, 35927530, 39285910, 71855060, 78571820, 283827487, 567654974, 801183919, 1135309948, 1419137435, 1602367838, 2838274870, 3204735676, 4005919595, 5676549740, 8011839190, 16023678380, 63293529601, 126587059202, 253174118404, 316467648005, 632935296010, 1265870592020]

約数ペア:

[(1, 1265870592020), (2, 632935296010), (4, 316467648005), (5, 253174118404), (10, 126587059202), (20, 63293529601), (79, 16023678380), (158, 8011839190), (223, 5676549740), (316, 4005919595), (395, 3204735676), (446, 2838274870), (790, 1602367838), (892, 1419137435), (1115, 1135309948), (1580, 801183919), (2230, 567654974), (4460, 283827487), (16111, 78571820), (17617, 71855060), (32222, 39285910), (35234, 35927530), (49729, 25455380), (64444, 19642955), (70468, 17963765), (80555, 15714364), (88085, 14371012), (99458, 12727690), (161110, 7857182), (176170, 7185506), (198916, 6363845), (248645, 5091076), (322220, 3928591), (352340, 3592753), (497290, 2545538), (994580, 1272769)]