8689460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 20697600

約数和(自身を除く): 12008140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1759, 2470, 3518, 4940, 7036, 8795, 17590, 22867, 33421, 35180, 45734, 66842, 91468, 114335, 133684, 167105, 228670, 334210, 434473, 457340, 668420, 868946, 1737892, 2172365, 4344730, 8689460]

約数ペア:

[(1, 8689460), (2, 4344730), (4, 2172365), (5, 1737892), (10, 868946), (13, 668420), (19, 457340), (20, 434473), (26, 334210), (38, 228670), (52, 167105), (65, 133684), (76, 114335), (95, 91468), (130, 66842), (190, 45734), (247, 35180), (260, 33421), (380, 22867), (494, 17590), (988, 8795), (1235, 7036), (1759, 4940), (2470, 3518)]