79946480

素因数分解:

$2^4\times 5^1\times {\mathrm{999331}}^1$

素因数の和:999344

約数の個数: 20

約数和(自身を含む): 185875752

約数和(自身を除く): 105929272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 999331, 1998662, 3997324, 4996655, 7994648, 9993310, 15989296, 19986620, 39973240, 79946480]

約数ペア:

[(1, 79946480), (2, 39973240), (4, 19986620), (5, 15989296), (8, 9993310), (10, 7994648), (16, 4996655), (20, 3997324), (40, 1998662), (80, 999331)]