266036420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2605

約数の個数: 72

約数和(自身を含む): 624718080

約数和(自身を除く): 358681660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1690, 2015, 2539, 3380, 4030, 5078, 5239, 8060, 10156, 10478, 12695, 20956, 25390, 26195, 33007, 50780, 52390, 66014, 78709, 104780, 132028, 157418, 165035, 314836, 330070, 393545, 429091, 660140, 787090, 858182, 1023217, 1574180, 1716364, 2046434, 2145455, 4092868, 4290910, 5116085, 8581820, 10232170, 13301821, 20464340, 26603642, 53207284, 66509105, 133018210, 266036420]

約数ペア:

[(1, 266036420), (2, 133018210), (4, 66509105), (5, 53207284), (10, 26603642), (13, 20464340), (20, 13301821), (26, 10232170), (31, 8581820), (52, 5116085), (62, 4290910), (65, 4092868), (124, 2145455), (130, 2046434), (155, 1716364), (169, 1574180), (260, 1023217), (310, 858182), (338, 787090), (403, 660140), (620, 429091), (676, 393545), (806, 330070), (845, 314836), (1612, 165035), (1690, 157418), (2015, 132028), (2539, 104780), (3380, 78709), (4030, 66014), (5078, 52390), (5239, 50780), (8060, 33007), (10156, 26195), (10478, 25390), (12695, 20956)]