40306360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16519}}^1$

素因数の和:16591

約数の個数: 32

約数和(自身を含む): 92181600

約数和(自身を除く): 51875240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 16519, 33038, 66076, 82595, 132152, 165190, 330380, 660760, 1007659, 2015318, 4030636, 5038295, 8061272, 10076590, 20153180, 40306360]

約数ペア:

[(1, 40306360), (2, 20153180), (4, 10076590), (5, 8061272), (8, 5038295), (10, 4030636), (20, 2015318), (40, 1007659), (61, 660760), (122, 330380), (244, 165190), (305, 132152), (488, 82595), (610, 66076), (1220, 33038), (2440, 16519)]