1621056560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{881009}}^1$

素因数の和:881045

約数の個数: 40

約数和(自身を含む): 3932828640

約数和(自身を除く): 2311772080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 881009, 1762018, 3524036, 4405045, 7048072, 8810090, 14096144, 17620180, 20263207, 35240360, 40526414, 70480720, 81052828, 101316035, 162105656, 202632070, 324211312, 405264140, 810528280, 1621056560]

約数ペア:

[(1, 1621056560), (2, 810528280), (4, 405264140), (5, 324211312), (8, 202632070), (10, 162105656), (16, 101316035), (20, 81052828), (23, 70480720), (40, 40526414), (46, 35240360), (80, 20263207), (92, 17620180), (115, 14096144), (184, 8810090), (230, 7048072), (368, 4405045), (460, 3524036), (920, 1762018), (1840, 881009)]