31163980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53731}}^1$

素因数の和:53769

約数の個数: 24

約数和(自身を含む): 67702320

約数和(自身を除く): 36538340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 53731, 107462, 214924, 268655, 537310, 1074620, 1558199, 3116398, 6232796, 7790995, 15581990, 31163980]

約数ペア:

[(1, 31163980), (2, 15581990), (4, 7790995), (5, 6232796), (10, 3116398), (20, 1558199), (29, 1074620), (58, 537310), (116, 268655), (145, 214924), (290, 107462), (580, 53731)]