1840280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3539}}^1$

素因数の和:3563

約数の個数: 32

約数和(自身を含む): 4460400

約数和(自身を除く): 2620120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3539, 7078, 14156, 17695, 28312, 35390, 46007, 70780, 92014, 141560, 184028, 230035, 368056, 460070, 920140, 1840280]

約数ペア:

[(1, 1840280), (2, 920140), (4, 460070), (5, 368056), (8, 230035), (10, 184028), (13, 141560), (20, 92014), (26, 70780), (40, 46007), (52, 35390), (65, 28312), (104, 17695), (130, 14156), (260, 7078), (520, 3539)]