40855420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120163}}^1$

素因数の和:120189

約数の個数: 24

約数和(自身を含む): 90843984

約数和(自身を除く): 49988564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 120163, 240326, 480652, 600815, 1201630, 2042771, 2403260, 4085542, 8171084, 10213855, 20427710, 40855420]

約数ペア:

[(1, 40855420), (2, 20427710), (4, 10213855), (5, 8171084), (10, 4085542), (17, 2403260), (20, 2042771), (34, 1201630), (68, 600815), (85, 480652), (170, 240326), (340, 120163)]