40805780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120017}}^1$

素因数の和:120043

約数の個数: 24

約数和(自身を含む): 90733608

約数和(自身を除く): 49927828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 120017, 240034, 480068, 600085, 1200170, 2040289, 2400340, 4080578, 8161156, 10201445, 20402890, 40805780]

約数ペア:

[(1, 40805780), (2, 20402890), (4, 10201445), (5, 8161156), (10, 4080578), (17, 2400340), (20, 2040289), (34, 1200170), (68, 600085), (85, 480068), (170, 240034), (340, 120017)]