672647980

素因数分解:

$2^2\times 5^1\times {\mathrm{6763}}^1\times {\mathrm{4973}}^1$

素因数の和:11745

約数の個数: 24

約数和(自身を含む): 1413053712

約数和(自身を除く): 740405732

約数列:

[1, 2, 4, 5, 10, 20, 4973, 6763, 9946, 13526, 19892, 24865, 27052, 33815, 49730, 67630, 99460, 135260, 33632399, 67264798, 134529596, 168161995, 336323990, 672647980]

約数ペア:

[(1, 672647980), (2, 336323990), (4, 168161995), (5, 134529596), (10, 67264798), (20, 33632399), (4973, 135260), (6763, 99460), (9946, 67630), (13526, 49730), (19892, 33815), (24865, 27052)]