87181940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73883}}^1$

素因数の和:73951

約数の個数: 24

約数和(自身を含む): 186187680

約数和(自身を除く): 99005740

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 73883, 147766, 295532, 369415, 738830, 1477660, 4359097, 8718194, 17436388, 21795485, 43590970, 87181940]

約数ペア:

[(1, 87181940), (2, 43590970), (4, 21795485), (5, 17436388), (10, 8718194), (20, 4359097), (59, 1477660), (118, 738830), (236, 369415), (295, 295532), (590, 147766), (1180, 73883)]