804900080

素因数分解:

$2^4\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{4877}}^1$

素因数の和:6953

約数の個数: 40

約数和(自身を含む): 1872683712

約数和(自身を除く): 1067783632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2063, 4126, 4877, 8252, 9754, 10315, 16504, 19508, 20630, 24385, 33008, 39016, 41260, 48770, 78032, 82520, 97540, 165040, 195080, 390160, 10061251, 20122502, 40245004, 50306255, 80490008, 100612510, 160980016, 201225020, 402450040, 804900080]

約数ペア:

[(1, 804900080), (2, 402450040), (4, 201225020), (5, 160980016), (8, 100612510), (10, 80490008), (16, 50306255), (20, 40245004), (40, 20122502), (80, 10061251), (2063, 390160), (4126, 195080), (4877, 165040), (8252, 97540), (9754, 82520), (10315, 78032), (16504, 48770), (19508, 41260), (20630, 39016), (24385, 33008)]