8409920

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 56

約数和(自身を含む): 20546568

約数和(自身を除く): 12136648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 641, 656, 820, 1282, 1312, 1640, 2564, 2624, 3205, 3280, 5128, 6410, 6560, 10256, 12820, 13120, 20512, 25640, 26281, 41024, 51280, 52562, 102560, 105124, 131405, 205120, 210248, 262810, 420496, 525620, 840992, 1051240, 1681984, 2102480, 4204960, 8409920]

約数ペア:

[(1, 8409920), (2, 4204960), (4, 2102480), (5, 1681984), (8, 1051240), (10, 840992), (16, 525620), (20, 420496), (32, 262810), (40, 210248), (41, 205120), (64, 131405), (80, 105124), (82, 102560), (160, 52562), (164, 51280), (205, 41024), (320, 26281), (328, 25640), (410, 20512), (641, 13120), (656, 12820), (820, 10256), (1282, 6560), (1312, 6410), (1640, 5128), (2564, 3280), (2624, 3205)]