8889266440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1\times {\mathrm{3061}}^1$

素因数の和:4070

約数の個数: 64

約数和(自身を含む): 20282688000

約数和(自身を除く): 11393421560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 919, 1580, 1838, 3061, 3160, 3676, 4595, 6122, 7352, 9190, 12244, 15305, 18380, 24488, 30610, 36760, 61220, 72601, 122440, 145202, 241819, 290404, 363005, 483638, 580808, 726010, 967276, 1209095, 1452020, 1934552, 2418190, 2813059, 2904040, 4836380, 5626118, 9672760, 11252236, 14065295, 22504472, 28130590, 56261180, 112522360, 222231661, 444463322, 888926644, 1111158305, 1777853288, 2222316610, 4444633220, 8889266440]

約数ペア:

[(1, 8889266440), (2, 4444633220), (4, 2222316610), (5, 1777853288), (8, 1111158305), (10, 888926644), (20, 444463322), (40, 222231661), (79, 112522360), (158, 56261180), (316, 28130590), (395, 22504472), (632, 14065295), (790, 11252236), (919, 9672760), (1580, 5626118), (1838, 4836380), (3061, 2904040), (3160, 2813059), (3676, 2418190), (4595, 1934552), (6122, 1452020), (7352, 1209095), (9190, 967276), (12244, 726010), (15305, 580808), (18380, 483638), (24488, 363005), (30610, 290404), (36760, 241819), (61220, 145202), (72601, 122440)]