31741160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72139}}^1$

素因数の和:72161

約数の個数: 32

約数和(自身を含む): 77911200

約数和(自身を除く): 46170040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72139, 144278, 288556, 360695, 577112, 721390, 793529, 1442780, 1587058, 2885560, 3174116, 3967645, 6348232, 7935290, 15870580, 31741160]

約数ペア:

[(1, 31741160), (2, 15870580), (4, 7935290), (5, 6348232), (8, 3967645), (10, 3174116), (11, 2885560), (20, 1587058), (22, 1442780), (40, 793529), (44, 721390), (55, 577112), (88, 360695), (110, 288556), (220, 144278), (440, 72139)]