53902180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{86939}}^1$

素因数の和:86979

約数の個数: 24

約数和(自身を含む): 116847360

約数和(自身を除く): 62945180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 86939, 173878, 347756, 434695, 869390, 1738780, 2695109, 5390218, 10780436, 13475545, 26951090, 53902180]

約数ペア:

[(1, 53902180), (2, 26951090), (4, 13475545), (5, 10780436), (10, 5390218), (20, 2695109), (31, 1738780), (62, 869390), (124, 434695), (155, 347756), (310, 173878), (620, 86939)]