28641470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20029}}^1$

素因数の和:20060

約数の個数: 32

約数和(自身を含む): 60570720

約数和(自身を除く): 31929250

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20029, 40058, 100145, 200290, 220319, 260377, 440638, 520754, 1101595, 1301885, 2203190, 2603770, 2864147, 5728294, 14320735, 28641470]

約数ペア:

[(1, 28641470), (2, 14320735), (5, 5728294), (10, 2864147), (11, 2603770), (13, 2203190), (22, 1301885), (26, 1101595), (55, 520754), (65, 440638), (110, 260377), (130, 220319), (143, 200290), (286, 100145), (715, 40058), (1430, 20029)]