79329640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 193208400

約数和(自身を除く): 113878760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 373, 409, 520, 746, 818, 1492, 1636, 1865, 2045, 2984, 3272, 3730, 4090, 4849, 5317, 7460, 8180, 9698, 10634, 14920, 16360, 19396, 21268, 24245, 26585, 38792, 42536, 48490, 53170, 96980, 106340, 152557, 193960, 212680, 305114, 610228, 762785, 1220456, 1525570, 1983241, 3051140, 3966482, 6102280, 7932964, 9916205, 15865928, 19832410, 39664820, 79329640]

約数ペア:

[(1, 79329640), (2, 39664820), (4, 19832410), (5, 15865928), (8, 9916205), (10, 7932964), (13, 6102280), (20, 3966482), (26, 3051140), (40, 1983241), (52, 1525570), (65, 1220456), (104, 762785), (130, 610228), (260, 305114), (373, 212680), (409, 193960), (520, 152557), (746, 106340), (818, 96980), (1492, 53170), (1636, 48490), (1865, 42536), (2045, 38792), (2984, 26585), (3272, 24245), (3730, 21268), (4090, 19396), (4849, 16360), (5317, 14920), (7460, 10634), (8180, 9698)]