85314980

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{23831}}^1$

素因数の和:24019

約数の個数: 24

約数和(自身を含む): 180169920

約数和(自身を除く): 94854940

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 23831, 47662, 95324, 119155, 238310, 476620, 4265749, 8531498, 17062996, 21328745, 42657490, 85314980]

約数ペア:

[(1, 85314980), (2, 42657490), (4, 21328745), (5, 17062996), (10, 8531498), (20, 4265749), (179, 476620), (358, 238310), (716, 119155), (895, 95324), (1790, 47662), (3580, 23831)]