145378640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{165203}}^1$

素因数の和:165227

約数の個数: 40

約数和(自身を含む): 368735328

約数和(自身を除く): 223356688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 165203, 330406, 660812, 826015, 1321624, 1652030, 1817233, 2643248, 3304060, 3634466, 6608120, 7268932, 9086165, 13216240, 14537864, 18172330, 29075728, 36344660, 72689320, 145378640]

約数ペア:

[(1, 145378640), (2, 72689320), (4, 36344660), (5, 29075728), (8, 18172330), (10, 14537864), (11, 13216240), (16, 9086165), (20, 7268932), (22, 6608120), (40, 3634466), (44, 3304060), (55, 2643248), (80, 1817233), (88, 1652030), (110, 1321624), (176, 826015), (220, 660812), (440, 330406), (880, 165203)]