70347940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1601}}^1$

素因数の和:1649

約数の個数: 48

約数和(自身を含む): 160135920

約数和(自身を除く): 89787980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1601, 1690, 2197, 3202, 3380, 4394, 6404, 8005, 8788, 10985, 16010, 20813, 21970, 32020, 41626, 43940, 83252, 104065, 208130, 270569, 416260, 541138, 1082276, 1352845, 2705690, 3517397, 5411380, 7034794, 14069588, 17586985, 35173970, 70347940]

約数ペア:

[(1, 70347940), (2, 35173970), (4, 17586985), (5, 14069588), (10, 7034794), (13, 5411380), (20, 3517397), (26, 2705690), (52, 1352845), (65, 1082276), (130, 541138), (169, 416260), (260, 270569), (338, 208130), (676, 104065), (845, 83252), (1601, 43940), (1690, 41626), (2197, 32020), (3202, 21970), (3380, 20813), (4394, 16010), (6404, 10985), (8005, 8788)]