28305272560

素因数分解:

$2^4\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{225217}}^1$

素因数の和:226801

約数の個数: 40

約数和(自身を含む): 65851941456

約数和(自身を除く): 37546668896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1571, 3142, 6284, 7855, 12568, 15710, 25136, 31420, 62840, 125680, 225217, 450434, 900868, 1126085, 1801736, 2252170, 3603472, 4504340, 9008680, 18017360, 353815907, 707631814, 1415263628, 1769079535, 2830527256, 3538159070, 5661054512, 7076318140, 14152636280, 28305272560]

約数ペア:

[(1, 28305272560), (2, 14152636280), (4, 7076318140), (5, 5661054512), (8, 3538159070), (10, 2830527256), (16, 1769079535), (20, 1415263628), (40, 707631814), (80, 353815907), (1571, 18017360), (3142, 9008680), (6284, 4504340), (7855, 3603472), (12568, 2252170), (15710, 1801736), (25136, 1126085), (31420, 900868), (62840, 450434), (125680, 225217)]