839120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 2069064

約数和(自身を除く): 1229944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 617, 680, 1234, 1360, 2468, 3085, 4936, 6170, 9872, 10489, 12340, 20978, 24680, 41956, 49360, 52445, 83912, 104890, 167824, 209780, 419560, 839120]

約数ペア:

[(1, 839120), (2, 419560), (4, 209780), (5, 167824), (8, 104890), (10, 83912), (16, 52445), (17, 49360), (20, 41956), (34, 24680), (40, 20978), (68, 12340), (80, 10489), (85, 9872), (136, 6170), (170, 4936), (272, 3085), (340, 2468), (617, 1360), (680, 1234)]