2170706960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{444817}}^1$

素因数の和:444891

約数の個数: 40

約数和(自身を含む): 5129641176

約数和(自身を除く): 2958934216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 444817, 889634, 1779268, 2224085, 3558536, 4448170, 7117072, 8896340, 17792680, 27133837, 35585360, 54267674, 108535348, 135669185, 217070696, 271338370, 434141392, 542676740, 1085353480, 2170706960]

約数ペア:

[(1, 2170706960), (2, 1085353480), (4, 542676740), (5, 434141392), (8, 271338370), (10, 217070696), (16, 135669185), (20, 108535348), (40, 54267674), (61, 35585360), (80, 27133837), (122, 17792680), (244, 8896340), (305, 7117072), (488, 4448170), (610, 3558536), (976, 2224085), (1220, 1779268), (2440, 889634), (4880, 444817)]