42541040

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1367}}^1$

素因数の和:1769

約数の個数: 40

約数和(自身を含む): 99234720

約数和(自身を除く): 56693680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1367, 1556, 1945, 2734, 3112, 3890, 5468, 6224, 6835, 7780, 10936, 13670, 15560, 21872, 27340, 31120, 54680, 109360, 531763, 1063526, 2127052, 2658815, 4254104, 5317630, 8508208, 10635260, 21270520, 42541040]

約数ペア:

[(1, 42541040), (2, 21270520), (4, 10635260), (5, 8508208), (8, 5317630), (10, 4254104), (16, 2658815), (20, 2127052), (40, 1063526), (80, 531763), (389, 109360), (778, 54680), (1367, 31120), (1556, 27340), (1945, 21872), (2734, 15560), (3112, 13670), (3890, 10936), (5468, 7780), (6224, 6835)]