2790748640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{425419}}^1$

素因数の和:425475

約数の個数: 48

約数和(自身を含む): 6753967920

約数和(自身を除く): 3963219280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 425419, 850838, 1701676, 2127095, 3403352, 4254190, 6806704, 8508380, 13613408, 17016760, 17442179, 34033520, 34884358, 68067040, 69768716, 87210895, 139537432, 174421790, 279074864, 348843580, 558149728, 697687160, 1395374320, 2790748640]

約数ペア:

[(1, 2790748640), (2, 1395374320), (4, 697687160), (5, 558149728), (8, 348843580), (10, 279074864), (16, 174421790), (20, 139537432), (32, 87210895), (40, 69768716), (41, 68067040), (80, 34884358), (82, 34033520), (160, 17442179), (164, 17016760), (205, 13613408), (328, 8508380), (410, 6806704), (656, 4254190), (820, 3403352), (1312, 2127095), (1640, 1701676), (3280, 850838), (6560, 425419)]