2048779840

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{156157}}^1$

素因数の和:156215

約数の個数: 56

約数和(自身を含む): 4997680632

約数和(自身を除く): 2948900792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 156157, 312314, 624628, 780785, 1249256, 1561570, 2498512, 3123140, 4997024, 6246280, 6402437, 9994048, 12492560, 12804874, 24985120, 25609748, 32012185, 49970240, 51219496, 64024370, 102438992, 128048740, 204877984, 256097480, 409755968, 512194960, 1024389920, 2048779840]

約数ペア:

[(1, 2048779840), (2, 1024389920), (4, 512194960), (5, 409755968), (8, 256097480), (10, 204877984), (16, 128048740), (20, 102438992), (32, 64024370), (40, 51219496), (41, 49970240), (64, 32012185), (80, 25609748), (82, 24985120), (160, 12804874), (164, 12492560), (205, 9994048), (320, 6402437), (328, 6246280), (410, 4997024), (656, 3123140), (820, 2498512), (1312, 1561570), (1640, 1249256), (2624, 780785), (3280, 624628), (6560, 312314), (13120, 156157)]