11456080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1711

約数の個数: 40

約数和(自身を含む): 26951400

約数和(自身を除く): 15495320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1609, 1780, 3218, 3560, 6436, 7120, 8045, 12872, 16090, 25744, 32180, 64360, 128720, 143201, 286402, 572804, 716005, 1145608, 1432010, 2291216, 2864020, 5728040, 11456080]

約数ペア:

[(1, 11456080), (2, 5728040), (4, 2864020), (5, 2291216), (8, 1432010), (10, 1145608), (16, 716005), (20, 572804), (40, 286402), (80, 143201), (89, 128720), (178, 64360), (356, 32180), (445, 25744), (712, 16090), (890, 12872), (1424, 8045), (1609, 7120), (1780, 6436), (3218, 3560)]