67638740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1657}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 154034832

約数和(自身を除く): 86396092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 1657, 2041, 3140, 3314, 4082, 6628, 8164, 8285, 10205, 16570, 20410, 21541, 33140, 40820, 43082, 86164, 107705, 215410, 260149, 430820, 520298, 1040596, 1300745, 2601490, 3381937, 5202980, 6763874, 13527748, 16909685, 33819370, 67638740]

約数ペア:

[(1, 67638740), (2, 33819370), (4, 16909685), (5, 13527748), (10, 6763874), (13, 5202980), (20, 3381937), (26, 2601490), (52, 1300745), (65, 1040596), (130, 520298), (157, 430820), (260, 260149), (314, 215410), (628, 107705), (785, 86164), (1570, 43082), (1657, 40820), (2041, 33140), (3140, 21541), (3314, 20410), (4082, 16570), (6628, 10205), (8164, 8285)]