3613640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 8269560

約数和(自身を除く): 4655920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1481, 2440, 2962, 5924, 7405, 11848, 14810, 29620, 59240, 90341, 180682, 361364, 451705, 722728, 903410, 1806820, 3613640]

約数ペア:

[(1, 3613640), (2, 1806820), (4, 903410), (5, 722728), (8, 451705), (10, 361364), (20, 180682), (40, 90341), (61, 59240), (122, 29620), (244, 14810), (305, 11848), (488, 7405), (610, 5924), (1220, 2962), (1481, 2440)]