139799920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{587}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 352164960

約数和(自身を除く): 212365040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 229, 260, 458, 520, 587, 916, 1040, 1145, 1174, 1832, 2290, 2348, 2935, 2977, 3664, 4580, 4696, 5870, 5954, 7631, 9160, 9392, 11740, 11908, 14885, 15262, 18320, 23480, 23816, 29770, 30524, 38155, 46960, 47632, 59540, 61048, 76310, 119080, 122096, 134423, 152620, 238160, 268846, 305240, 537692, 610480, 672115, 1075384, 1344230, 1747499, 2150768, 2688460, 3494998, 5376920, 6989996, 8737495, 10753840, 13979992, 17474990, 27959984, 34949980, 69899960, 139799920]

約数ペア:

[(1, 139799920), (2, 69899960), (4, 34949980), (5, 27959984), (8, 17474990), (10, 13979992), (13, 10753840), (16, 8737495), (20, 6989996), (26, 5376920), (40, 3494998), (52, 2688460), (65, 2150768), (80, 1747499), (104, 1344230), (130, 1075384), (208, 672115), (229, 610480), (260, 537692), (458, 305240), (520, 268846), (587, 238160), (916, 152620), (1040, 134423), (1145, 122096), (1174, 119080), (1832, 76310), (2290, 61048), (2348, 59540), (2935, 47632), (2977, 46960), (3664, 38155), (4580, 30524), (4696, 29770), (5870, 23816), (5954, 23480), (7631, 18320), (9160, 15262), (9392, 14885), (11740, 11908)]