28713320

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1051}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 64761120

約数和(自身を除く): 36047800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1051, 1366, 2102, 2732, 3415, 4204, 5255, 5464, 6830, 8408, 10510, 13660, 21020, 27320, 42040, 717833, 1435666, 2871332, 3589165, 5742664, 7178330, 14356660, 28713320]

約数ペア:

[(1, 28713320), (2, 14356660), (4, 7178330), (5, 5742664), (8, 3589165), (10, 2871332), (20, 1435666), (40, 717833), (683, 42040), (1051, 27320), (1366, 21020), (2102, 13660), (2732, 10510), (3415, 8408), (4204, 6830), (5255, 5464)]