129315160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248683}}^1$

素因数の和:248707

約数の個数: 32

約数和(自身を含む): 313341840

約数和(自身を除く): 184026680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 248683, 497366, 994732, 1243415, 1989464, 2486830, 3232879, 4973660, 6465758, 9947320, 12931516, 16164395, 25863032, 32328790, 64657580, 129315160]

約数ペア:

[(1, 129315160), (2, 64657580), (4, 32328790), (5, 25863032), (8, 16164395), (10, 12931516), (13, 9947320), (20, 6465758), (26, 4973660), (40, 3232879), (52, 2486830), (65, 1989464), (104, 1243415), (130, 994732), (260, 497366), (520, 248683)]