20188513150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{37831}}^1$

素因数の和:38677

約数の個数: 48

約数和(自身を含む): 40489471008

約数和(自身を除く): 20300957858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 821, 1642, 4105, 8210, 10673, 20525, 21346, 37831, 41050, 53365, 75662, 106730, 189155, 266825, 378310, 491803, 533650, 945775, 983606, 1891550, 2459015, 4918030, 12295075, 24590150, 31059251, 62118502, 155296255, 310592510, 403770263, 776481275, 807540526, 1552962550, 2018851315, 4037702630, 10094256575, 20188513150]

約数ペア:

[(1, 20188513150), (2, 10094256575), (5, 4037702630), (10, 2018851315), (13, 1552962550), (25, 807540526), (26, 776481275), (50, 403770263), (65, 310592510), (130, 155296255), (325, 62118502), (650, 31059251), (821, 24590150), (1642, 12295075), (4105, 4918030), (8210, 2459015), (10673, 1891550), (20525, 983606), (21346, 945775), (37831, 533650), (41050, 491803), (53365, 378310), (75662, 266825), (106730, 189155)]