8387860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32261}}^1$

素因数の和:32283

約数の個数: 24

約数和(自身を含む): 18970056

約数和(自身を除く): 10582196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32261, 64522, 129044, 161305, 322610, 419393, 645220, 838786, 1677572, 2096965, 4193930, 8387860]

約数ペア:

[(1, 8387860), (2, 4193930), (4, 2096965), (5, 1677572), (10, 838786), (13, 645220), (20, 419393), (26, 322610), (52, 161305), (65, 129044), (130, 64522), (260, 32261)]