13145500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 29248128

約数和(自身を除く): 16102628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 431, 500, 610, 862, 1220, 1525, 1724, 2155, 3050, 4310, 6100, 7625, 8620, 10775, 15250, 21550, 26291, 30500, 43100, 52582, 53875, 105164, 107750, 131455, 215500, 262910, 525820, 657275, 1314550, 2629100, 3286375, 6572750, 13145500]

約数ペア:

[(1, 13145500), (2, 6572750), (4, 3286375), (5, 2629100), (10, 1314550), (20, 657275), (25, 525820), (50, 262910), (61, 215500), (100, 131455), (122, 107750), (125, 105164), (244, 53875), (250, 52582), (305, 43100), (431, 30500), (500, 26291), (610, 21550), (862, 15250), (1220, 10775), (1525, 8620), (1724, 7625), (2155, 6100), (3050, 4310)]