131069240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105701}}^1$

素因数の和:105743

約数の個数: 32

約数和(自身を含む): 304421760

約数和(自身を除く): 173352520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 105701, 211402, 422804, 528505, 845608, 1057010, 2114020, 3276731, 4228040, 6553462, 13106924, 16383655, 26213848, 32767310, 65534620, 131069240]

約数ペア:

[(1, 131069240), (2, 65534620), (4, 32767310), (5, 26213848), (8, 16383655), (10, 13106924), (20, 6553462), (31, 4228040), (40, 3276731), (62, 2114020), (124, 1057010), (155, 845608), (248, 528505), (310, 422804), (620, 211402), (1240, 105701)]