2011129136620

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{4001}}^1\times {\mathrm{16879}}^1$

素因数の和:22378

約数の個数: 48

約数和(自身を含む): 4227514300800

約数和(自身を除く): 2216385164180

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 4001, 5956, 7445, 8002, 14890, 16004, 16879, 20005, 29780, 33758, 40010, 67516, 80020, 84395, 168790, 337580, 5957489, 11914978, 23829956, 25132831, 29787445, 50265662, 59574890, 67532879, 100531324, 119149780, 125664155, 135065758, 251328310, 270131516, 337664395, 502656620, 675328790, 1350657580, 100556456831, 201112913662, 402225827324, 502782284155, 1005564568310, 2011129136620]

約数ペア:

[(1, 2011129136620), (2, 1005564568310), (4, 502782284155), (5, 402225827324), (10, 201112913662), (20, 100556456831), (1489, 1350657580), (2978, 675328790), (4001, 502656620), (5956, 337664395), (7445, 270131516), (8002, 251328310), (14890, 135065758), (16004, 125664155), (16879, 119149780), (20005, 100531324), (29780, 67532879), (33758, 59574890), (40010, 50265662), (67516, 29787445), (80020, 25132831), (84395, 23829956), (168790, 11914978), (337580, 5957489)]