129303980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{497323}}^1$

素因数の和:497345

約数の個数: 24

約数和(自身を含む): 292426512

約数和(自身を除く): 163122532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 497323, 994646, 1989292, 2486615, 4973230, 6465199, 9946460, 12930398, 25860796, 32325995, 64651990, 129303980]

約数ペア:

[(1, 129303980), (2, 64651990), (4, 32325995), (5, 25860796), (10, 12930398), (13, 9946460), (20, 6465199), (26, 4973230), (52, 2486615), (65, 1989292), (130, 994646), (260, 497323)]