16103750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1026

約数の個数: 40

約数和(自身を含む): 32539584

約数和(自身を除く): 16435834

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 991, 1250, 1625, 1982, 3250, 4955, 8125, 9910, 12883, 16250, 24775, 25766, 49550, 64415, 123875, 128830, 247750, 322075, 619375, 644150, 1238750, 1610375, 3220750, 8051875, 16103750]

約数ペア:

[(1, 16103750), (2, 8051875), (5, 3220750), (10, 1610375), (13, 1238750), (25, 644150), (26, 619375), (50, 322075), (65, 247750), (125, 128830), (130, 123875), (250, 64415), (325, 49550), (625, 25766), (650, 24775), (991, 16250), (1250, 12883), (1625, 9910), (1982, 8125), (3250, 4955)]