68782720

素因数分解:

$2^7\times 5^1\times {\mathrm{107473}}^1$

素因数の和:107492

約数の個数: 32

約数和(自身を含む): 164435220

約数和(自身を除く): 95652500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 107473, 214946, 429892, 537365, 859784, 1074730, 1719568, 2149460, 3439136, 4298920, 6878272, 8597840, 13756544, 17195680, 34391360, 68782720]

約数ペア:

[(1, 68782720), (2, 34391360), (4, 17195680), (5, 13756544), (8, 8597840), (10, 6878272), (16, 4298920), (20, 3439136), (32, 2149460), (40, 1719568), (64, 1074730), (80, 859784), (128, 537365), (160, 429892), (320, 214946), (640, 107473)]