1387921160

素因数分解:

$2^3\times 5^1\times {\mathrm{34698029}}^1$

素因数の和:34698040

約数の個数: 16

約数和(自身を含む): 3122822700

約数和(自身を除く): 1734901540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 34698029, 69396058, 138792116, 173490145, 277584232, 346980290, 693960580, 1387921160]

約数ペア:

[(1, 1387921160), (2, 693960580), (4, 346980290), (5, 277584232), (8, 173490145), (10, 138792116), (20, 69396058), (40, 34698029)]