29945680

素因数分解:

$2^4\times 5^1\times {\mathrm{374321}}^1$

素因数の和:374334

約数の個数: 20

約数和(自身を含む): 69623892

約数和(自身を除く): 39678212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 374321, 748642, 1497284, 1871605, 2994568, 3743210, 5989136, 7486420, 14972840, 29945680]

約数ペア:

[(1, 29945680), (2, 14972840), (4, 7486420), (5, 5989136), (8, 3743210), (10, 2994568), (16, 1871605), (20, 1497284), (40, 748642), (80, 374321)]