39982720

素因数分解:

$2^7\times 5^1\times {\mathrm{62473}}^1$

素因数の和:62492

約数の個数: 32

約数和(自身を含む): 95585220

約数和(自身を除く): 55602500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 62473, 124946, 249892, 312365, 499784, 624730, 999568, 1249460, 1999136, 2498920, 3998272, 4997840, 7996544, 9995680, 19991360, 39982720]

約数ペア:

[(1, 39982720), (2, 19991360), (4, 9995680), (5, 7996544), (8, 4997840), (10, 3998272), (16, 2498920), (20, 1999136), (32, 1249460), (40, 999568), (64, 624730), (80, 499784), (128, 312365), (160, 249892), (320, 124946), (640, 62473)]