28230280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^2$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 68698980

約数和(自身を除く): 40468700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 233, 260, 466, 520, 932, 1165, 1864, 2330, 3029, 4660, 6058, 9320, 12116, 15145, 24232, 30290, 54289, 60580, 108578, 121160, 217156, 271445, 434312, 542890, 705757, 1085780, 1411514, 2171560, 2823028, 3528785, 5646056, 7057570, 14115140, 28230280]

約数ペア:

[(1, 28230280), (2, 14115140), (4, 7057570), (5, 5646056), (8, 3528785), (10, 2823028), (13, 2171560), (20, 1411514), (26, 1085780), (40, 705757), (52, 542890), (65, 434312), (104, 271445), (130, 217156), (233, 121160), (260, 108578), (466, 60580), (520, 54289), (932, 30290), (1165, 24232), (1864, 15145), (2330, 12116), (3029, 9320), (4660, 6058)]