619580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 1401792

約数和(自身を除く): 782212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2383, 4766, 9532, 11915, 23830, 30979, 47660, 61958, 123916, 154895, 309790, 619580]

約数ペア:

[(1, 619580), (2, 309790), (4, 154895), (5, 123916), (10, 61958), (13, 47660), (20, 30979), (26, 23830), (52, 11915), (65, 9532), (130, 4766), (260, 2383)]