69559780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2069}}^1$

素因数の和:2160

約数の個数: 36

約数和(自身を含む): 149797620

約数和(自身を除く): 80237840

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 2069, 3362, 4138, 6724, 8276, 8405, 10345, 16810, 20690, 33620, 41380, 84829, 169658, 339316, 424145, 848290, 1696580, 3477989, 6955978, 13911956, 17389945, 34779890, 69559780]

約数ペア:

[(1, 69559780), (2, 34779890), (4, 17389945), (5, 13911956), (10, 6955978), (20, 3477989), (41, 1696580), (82, 848290), (164, 424145), (205, 339316), (410, 169658), (820, 84829), (1681, 41380), (2069, 33620), (3362, 20690), (4138, 16810), (6724, 10345), (8276, 8405)]