2056538140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{54377}}^1$

素因数の和:54478

約数の個数: 48

約数和(自身を含む): 4531209984

約数和(自身を除く): 2474671844

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 9455, 18910, 37820, 54377, 108754, 217508, 271885, 543770, 1087540, 1685687, 3316997, 3371374, 6633994, 6742748, 8428435, 13267988, 16584985, 16856870, 33169970, 33713740, 66339940, 102826907, 205653814, 411307628, 514134535, 1028269070, 2056538140]

約数ペア:

[(1, 2056538140), (2, 1028269070), (4, 514134535), (5, 411307628), (10, 205653814), (20, 102826907), (31, 66339940), (61, 33713740), (62, 33169970), (122, 16856870), (124, 16584985), (155, 13267988), (244, 8428435), (305, 6742748), (310, 6633994), (610, 3371374), (620, 3316997), (1220, 1685687), (1891, 1087540), (3782, 543770), (7564, 271885), (9455, 217508), (18910, 108754), (37820, 54377)]