138088460

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{25667}}^1$

素因数の和:25945

約数の個数: 24

約数和(自身を含む): 291075120

約数和(自身を除く): 152986660

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 25667, 51334, 102668, 128335, 256670, 513340, 6904423, 13808846, 27617692, 34522115, 69044230, 138088460]

約数ペア:

[(1, 138088460), (2, 69044230), (4, 34522115), (5, 27617692), (10, 13808846), (20, 6904423), (269, 513340), (538, 256670), (1076, 128335), (1345, 102668), (2690, 51334), (5380, 25667)]