28019080

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4049}}^1$

素因数の和:4233

約数の個数: 32

約数和(自身を含む): 63423000

約数和(自身を除く): 35403920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 4049, 6920, 8098, 16196, 20245, 32392, 40490, 80980, 161960, 700477, 1400954, 2801908, 3502385, 5603816, 7004770, 14009540, 28019080]

約数ペア:

[(1, 28019080), (2, 14009540), (4, 7004770), (5, 5603816), (8, 3502385), (10, 2801908), (20, 1400954), (40, 700477), (173, 161960), (346, 80980), (692, 40490), (865, 32392), (1384, 20245), (1730, 16196), (3460, 8098), (4049, 6920)]