328372280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{200227}}^1$

素因数の和:200279

約数の個数: 32

約数和(自身を含む): 756861840

約数和(自身を除く): 428489560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 200227, 400454, 800908, 1001135, 1601816, 2002270, 4004540, 8009080, 8209307, 16418614, 32837228, 41046535, 65674456, 82093070, 164186140, 328372280]

約数ペア:

[(1, 328372280), (2, 164186140), (4, 82093070), (5, 65674456), (8, 41046535), (10, 32837228), (20, 16418614), (40, 8209307), (41, 8009080), (82, 4004540), (164, 2002270), (205, 1601816), (328, 1001135), (410, 800908), (820, 400454), (1640, 200227)]