13305465875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 18155225088

約数和(自身を除く): 4849759213

約数列:

[1, 5, 13, 25, 65, 125, 163, 191, 263, 325, 815, 955, 1315, 1625, 2119, 2483, 3419, 4075, 4775, 6575, 10595, 12415, 17095, 20375, 23875, 31133, 32875, 42869, 50233, 52975, 62075, 85475, 155665, 214345, 251165, 264875, 310375, 404729, 427375, 557297, 653029, 778325, 1071725, 1255825, 2023645, 2786485, 3265145, 3891625, 5358625, 6279125, 8187979, 10118225, 13932425, 16325725, 40939895, 50591125, 69662125, 81628625, 106443727, 204699475, 532218635, 1023497375, 2661093175, 13305465875]

約数ペア:

[(1, 13305465875), (5, 2661093175), (13, 1023497375), (25, 532218635), (65, 204699475), (125, 106443727), (163, 81628625), (191, 69662125), (263, 50591125), (325, 40939895), (815, 16325725), (955, 13932425), (1315, 10118225), (1625, 8187979), (2119, 6279125), (2483, 5358625), (3419, 3891625), (4075, 3265145), (4775, 2786485), (6575, 2023645), (10595, 1255825), (12415, 1071725), (17095, 778325), (20375, 653029), (23875, 557297), (31133, 427375), (32875, 404729), (42869, 310375), (50233, 264875), (52975, 251165), (62075, 214345), (85475, 155665)]