10405720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20011}}^1$

素因数の和:20035

約数の個数: 32

約数和(自身を含む): 25215120

約数和(自身を除く): 14809400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 20011, 40022, 80044, 100055, 160088, 200110, 260143, 400220, 520286, 800440, 1040572, 1300715, 2081144, 2601430, 5202860, 10405720]

約数ペア:

[(1, 10405720), (2, 5202860), (4, 2601430), (5, 2081144), (8, 1300715), (10, 1040572), (13, 800440), (20, 520286), (26, 400220), (40, 260143), (52, 200110), (65, 160088), (104, 100055), (130, 80044), (260, 40022), (520, 20011)]