13905880

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{683}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 31395600

約数和(自身を除く): 17489720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 683, 1018, 1366, 2036, 2545, 2732, 3415, 4072, 5090, 5464, 6830, 10180, 13660, 20360, 27320, 347647, 695294, 1390588, 1738235, 2781176, 3476470, 6952940, 13905880]

約数ペア:

[(1, 13905880), (2, 6952940), (4, 3476470), (5, 2781176), (8, 1738235), (10, 1390588), (20, 695294), (40, 347647), (509, 27320), (683, 20360), (1018, 13660), (1366, 10180), (2036, 6830), (2545, 5464), (2732, 5090), (3415, 4072)]