17838040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 44478720

約数和(自身を除く): 26640680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 571, 710, 781, 1142, 1420, 1562, 2284, 2840, 2855, 3124, 3905, 4568, 5710, 6248, 6281, 7810, 11420, 12562, 15620, 22840, 25124, 31240, 31405, 40541, 50248, 62810, 81082, 125620, 162164, 202705, 251240, 324328, 405410, 445951, 810820, 891902, 1621640, 1783804, 2229755, 3567608, 4459510, 8919020, 17838040]

約数ペア:

[(1, 17838040), (2, 8919020), (4, 4459510), (5, 3567608), (8, 2229755), (10, 1783804), (11, 1621640), (20, 891902), (22, 810820), (40, 445951), (44, 405410), (55, 324328), (71, 251240), (88, 202705), (110, 162164), (142, 125620), (220, 81082), (284, 62810), (355, 50248), (440, 40541), (568, 31405), (571, 31240), (710, 25124), (781, 22840), (1142, 15620), (1420, 12562), (1562, 11420), (2284, 7810), (2840, 6281), (2855, 6248), (3124, 5710), (3905, 4568)]