156916940

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{19183}}^1$

素因数の和:19601

約数の個数: 24

約数和(自身を含む): 330348480

約数和(自身を除く): 173431540

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 19183, 38366, 76732, 95915, 191830, 383660, 7845847, 15691694, 31383388, 39229235, 78458470, 156916940]

約数ペア:

[(1, 156916940), (2, 78458470), (4, 39229235), (5, 31383388), (10, 15691694), (20, 7845847), (409, 383660), (818, 191830), (1636, 95915), (2045, 76732), (4090, 38366), (8180, 19183)]