80618020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3217}}^1$

素因数の和:3412

約数の個数: 48

約数和(自身を含む): 194624640

約数和(自身を除く): 114006620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3217, 3580, 5012, 6265, 6434, 12530, 12868, 16085, 22519, 25060, 32170, 45038, 64340, 90076, 112595, 225190, 450380, 575843, 1151686, 2303372, 2879215, 4030901, 5758430, 8061802, 11516860, 16123604, 20154505, 40309010, 80618020]

約数ペア:

[(1, 80618020), (2, 40309010), (4, 20154505), (5, 16123604), (7, 11516860), (10, 8061802), (14, 5758430), (20, 4030901), (28, 2879215), (35, 2303372), (70, 1151686), (140, 575843), (179, 450380), (358, 225190), (716, 112595), (895, 90076), (1253, 64340), (1790, 45038), (2506, 32170), (3217, 25060), (3580, 22519), (5012, 16085), (6265, 12868), (6434, 12530)]