1988920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2647

約数の個数: 32

約数和(自身を含む): 4712400

約数和(自身を除く): 2723480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2617, 5234, 10468, 13085, 20936, 26170, 49723, 52340, 99446, 104680, 198892, 248615, 397784, 497230, 994460, 1988920]

約数ペア:

[(1, 1988920), (2, 994460), (4, 497230), (5, 397784), (8, 248615), (10, 198892), (19, 104680), (20, 99446), (38, 52340), (40, 49723), (76, 26170), (95, 20936), (152, 13085), (190, 10468), (380, 5234), (760, 2617)]