130778840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{32371}}^1$

素因数の和:32483

約数の個数: 32

約数和(自身を含む): 297174960

約数和(自身を除く): 166396120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 32371, 64742, 129484, 161855, 258968, 323710, 647420, 1294840, 3269471, 6538942, 13077884, 16347355, 26155768, 32694710, 65389420, 130778840]

約数ペア:

[(1, 130778840), (2, 65389420), (4, 32694710), (5, 26155768), (8, 16347355), (10, 13077884), (20, 6538942), (40, 3269471), (101, 1294840), (202, 647420), (404, 323710), (505, 258968), (808, 161855), (1010, 129484), (2020, 64742), (4040, 32371)]