1608680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 3659040

約数和(自身を除く): 2050360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 307, 524, 614, 655, 1048, 1228, 1310, 1535, 2456, 2620, 3070, 5240, 6140, 12280, 40217, 80434, 160868, 201085, 321736, 402170, 804340, 1608680]

約数ペア:

[(1, 1608680), (2, 804340), (4, 402170), (5, 321736), (8, 201085), (10, 160868), (20, 80434), (40, 40217), (131, 12280), (262, 6140), (307, 5240), (524, 3070), (614, 2620), (655, 2456), (1048, 1535), (1228, 1310)]