54871120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16729}}^1$

素因数の和:16783

約数の個数: 40

約数和(自身を含む): 130694760

約数和(自身を除く): 75823640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 16729, 33458, 66916, 83645, 133832, 167290, 267664, 334580, 669160, 685889, 1338320, 1371778, 2743556, 3429445, 5487112, 6858890, 10974224, 13717780, 27435560, 54871120]

約数ペア:

[(1, 54871120), (2, 27435560), (4, 13717780), (5, 10974224), (8, 6858890), (10, 5487112), (16, 3429445), (20, 2743556), (40, 1371778), (41, 1338320), (80, 685889), (82, 669160), (164, 334580), (205, 267664), (328, 167290), (410, 133832), (656, 83645), (820, 66916), (1640, 33458), (3280, 16729)]