38906480

素因数分解:

$2^4\times 5^1\times {\mathrm{486331}}^1$

素因数の和:486344

約数の個数: 20

約数和(自身を含む): 90457752

約数和(自身を除く): 51551272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486331, 972662, 1945324, 2431655, 3890648, 4863310, 7781296, 9726620, 19453240, 38906480]

約数ペア:

[(1, 38906480), (2, 19453240), (4, 9726620), (5, 7781296), (8, 4863310), (10, 3890648), (16, 2431655), (20, 1945324), (40, 972662), (80, 486331)]