13291960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1777}}^1$

素因数の和:1816

約数の個数: 64

約数和(自身を含む): 34564320

約数和(自身を除く): 21272360

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1777, 1870, 3554, 3740, 7108, 7480, 8885, 14216, 17770, 19547, 30209, 35540, 39094, 60418, 71080, 78188, 97735, 120836, 151045, 156376, 195470, 241672, 302090, 332299, 390940, 604180, 664598, 781880, 1208360, 1329196, 1661495, 2658392, 3322990, 6645980, 13291960]

約数ペア:

[(1, 13291960), (2, 6645980), (4, 3322990), (5, 2658392), (8, 1661495), (10, 1329196), (11, 1208360), (17, 781880), (20, 664598), (22, 604180), (34, 390940), (40, 332299), (44, 302090), (55, 241672), (68, 195470), (85, 156376), (88, 151045), (110, 120836), (136, 97735), (170, 78188), (187, 71080), (220, 60418), (340, 39094), (374, 35540), (440, 30209), (680, 19547), (748, 17770), (935, 14216), (1496, 8885), (1777, 7480), (1870, 7108), (3554, 3740)]