81970160

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{44549}}^1$

素因数の和:44585

約数の個数: 40

約数和(自身を含む): 198871200

約数和(自身を除く): 116901040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 44549, 89098, 178196, 222745, 356392, 445490, 712784, 890980, 1024627, 1781960, 2049254, 3563920, 4098508, 5123135, 8197016, 10246270, 16394032, 20492540, 40985080, 81970160]

約数ペア:

[(1, 81970160), (2, 40985080), (4, 20492540), (5, 16394032), (8, 10246270), (10, 8197016), (16, 5123135), (20, 4098508), (23, 3563920), (40, 2049254), (46, 1781960), (80, 1024627), (92, 890980), (115, 712784), (184, 445490), (230, 356392), (368, 222745), (460, 178196), (920, 89098), (1840, 44549)]