90972050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 183503880

約数和(自身を除く): 92531830

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 173, 325, 346, 650, 809, 865, 1618, 1730, 2249, 4045, 4325, 4498, 8090, 8650, 10517, 11245, 20225, 21034, 22490, 40450, 52585, 56225, 105170, 112450, 139957, 262925, 279914, 525850, 699785, 1399570, 1819441, 3498925, 3638882, 6997850, 9097205, 18194410, 45486025, 90972050]

約数ペア:

[(1, 90972050), (2, 45486025), (5, 18194410), (10, 9097205), (13, 6997850), (25, 3638882), (26, 3498925), (50, 1819441), (65, 1399570), (130, 699785), (173, 525850), (325, 279914), (346, 262925), (650, 139957), (809, 112450), (865, 105170), (1618, 56225), (1730, 52585), (2249, 40450), (4045, 22490), (4325, 21034), (4498, 20225), (8090, 11245), (8650, 10517)]