102903820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{65129}}^1$

素因数の和:65217

約数の個数: 24

約数和(自身を含む): 218836800

約数和(自身を除く): 115932980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 65129, 130258, 260516, 325645, 651290, 1302580, 5145191, 10290382, 20580764, 25725955, 51451910, 102903820]

約数ペア:

[(1, 102903820), (2, 51451910), (4, 25725955), (5, 20580764), (10, 10290382), (20, 5145191), (79, 1302580), (158, 651290), (316, 325645), (395, 260516), (790, 130258), (1580, 65129)]