156955780

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{8287}}^1$

素因数の和:9243

約数の個数: 24

約数和(自身を含む): 329995008

約数和(自身を除く): 173039228

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3788, 4735, 8287, 9470, 16574, 18940, 33148, 41435, 82870, 165740, 7847789, 15695578, 31391156, 39238945, 78477890, 156955780]

約数ペア:

[(1, 156955780), (2, 78477890), (4, 39238945), (5, 31391156), (10, 15695578), (20, 7847789), (947, 165740), (1894, 82870), (3788, 41435), (4735, 33148), (8287, 18940), (9470, 16574)]