55913980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{17807}}^1$

素因数の和:17973

約数の個数: 24

約数和(自身を含む): 118173888

約数和(自身を除く): 62259908

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 17807, 35614, 71228, 89035, 178070, 356140, 2795699, 5591398, 11182796, 13978495, 27956990, 55913980]

約数ペア:

[(1, 55913980), (2, 27956990), (4, 13978495), (5, 11182796), (10, 5591398), (20, 2795699), (157, 356140), (314, 178070), (628, 89035), (785, 71228), (1570, 35614), (3140, 17807)]