31724980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5527}}^1$

素因数の和:5584

約数の個数: 48

約数和(自身を含む): 78011136

約数和(自身を除く): 46286156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5527, 5740, 11054, 22108, 27635, 38689, 55270, 77378, 110540, 154756, 193445, 226607, 386890, 453214, 773780, 906428, 1133035, 1586249, 2266070, 3172498, 4532140, 6344996, 7931245, 15862490, 31724980]

約数ペア:

[(1, 31724980), (2, 15862490), (4, 7931245), (5, 6344996), (7, 4532140), (10, 3172498), (14, 2266070), (20, 1586249), (28, 1133035), (35, 906428), (41, 773780), (70, 453214), (82, 386890), (140, 226607), (164, 193445), (205, 154756), (287, 110540), (410, 77378), (574, 55270), (820, 38689), (1148, 27635), (1435, 22108), (2870, 11054), (5527, 5740)]