167271940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8543}}^1$

素因数の和:8652

約数の個数: 48

約数和(自身を含む): 387555840

約数和(自身を除く): 220283900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 8543, 9790, 17086, 19580, 34172, 42715, 85430, 93973, 170860, 187946, 375892, 469865, 760327, 939730, 1520654, 1879460, 3041308, 3801635, 7603270, 8363597, 15206540, 16727194, 33454388, 41817985, 83635970, 167271940]

約数ペア:

[(1, 167271940), (2, 83635970), (4, 41817985), (5, 33454388), (10, 16727194), (11, 15206540), (20, 8363597), (22, 7603270), (44, 3801635), (55, 3041308), (89, 1879460), (110, 1520654), (178, 939730), (220, 760327), (356, 469865), (445, 375892), (890, 187946), (979, 170860), (1780, 93973), (1958, 85430), (3916, 42715), (4895, 34172), (8543, 19580), (9790, 17086)]