10245820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 23411808

約数和(自身を除く): 13165988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 251, 260, 314, 502, 628, 785, 1004, 1255, 1570, 2041, 2510, 3140, 3263, 4082, 5020, 6526, 8164, 10205, 13052, 16315, 20410, 32630, 39407, 40820, 65260, 78814, 157628, 197035, 394070, 512291, 788140, 1024582, 2049164, 2561455, 5122910, 10245820]

約数ペア:

[(1, 10245820), (2, 5122910), (4, 2561455), (5, 2049164), (10, 1024582), (13, 788140), (20, 512291), (26, 394070), (52, 197035), (65, 157628), (130, 78814), (157, 65260), (251, 40820), (260, 39407), (314, 32630), (502, 20410), (628, 16315), (785, 13052), (1004, 10205), (1255, 8164), (1570, 6526), (2041, 5020), (2510, 4082), (3140, 3263)]