11521240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16943}}^1$

素因数の和:16971

約数の個数: 32

約数和(自身を含む): 27449280

約数和(自身を除く): 15928040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 16943, 33886, 67772, 84715, 135544, 169430, 288031, 338860, 576062, 677720, 1152124, 1440155, 2304248, 2880310, 5760620, 11521240]

約数ペア:

[(1, 11521240), (2, 5760620), (4, 2880310), (5, 2304248), (8, 1440155), (10, 1152124), (17, 677720), (20, 576062), (34, 338860), (40, 288031), (68, 169430), (85, 135544), (136, 84715), (170, 67772), (340, 33886), (680, 16943)]