128195240

素因数分解:

$2^3\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{2069}}^1$

素因数の和:3629

約数の個数: 32

約数和(自身を含む): 288765000

約数和(自身を除く): 160569760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1549, 2069, 3098, 4138, 6196, 7745, 8276, 10345, 12392, 15490, 16552, 20690, 30980, 41380, 61960, 82760, 3204881, 6409762, 12819524, 16024405, 25639048, 32048810, 64097620, 128195240]

約数ペア:

[(1, 128195240), (2, 64097620), (4, 32048810), (5, 25639048), (8, 16024405), (10, 12819524), (20, 6409762), (40, 3204881), (1549, 82760), (2069, 61960), (3098, 41380), (4138, 30980), (6196, 20690), (7745, 16552), (8276, 15490), (10345, 12392)]