13820320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5081}}^1$

素因数の和:5113

約数の個数: 48

約数和(自身を含む): 34577928

約数和(自身を除く): 20757608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 5081, 10162, 20324, 25405, 40648, 50810, 81296, 86377, 101620, 162592, 172754, 203240, 345508, 406480, 431885, 691016, 812960, 863770, 1382032, 1727540, 2764064, 3455080, 6910160, 13820320]

約数ペア:

[(1, 13820320), (2, 6910160), (4, 3455080), (5, 2764064), (8, 1727540), (10, 1382032), (16, 863770), (17, 812960), (20, 691016), (32, 431885), (34, 406480), (40, 345508), (68, 203240), (80, 172754), (85, 162592), (136, 101620), (160, 86377), (170, 81296), (272, 50810), (340, 40648), (544, 25405), (680, 20324), (1360, 10162), (2720, 5081)]