61220360

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7691}}^1$

素因数の和:7901

約数の個数: 32

約数和(自身を含む): 138456000

約数和(自身を除く): 77235640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7691, 7960, 15382, 30764, 38455, 61528, 76910, 153820, 307640, 1530509, 3061018, 6122036, 7652545, 12244072, 15305090, 30610180, 61220360]

約数ペア:

[(1, 61220360), (2, 30610180), (4, 15305090), (5, 12244072), (8, 7652545), (10, 6122036), (20, 3061018), (40, 1530509), (199, 307640), (398, 153820), (796, 76910), (995, 61528), (1592, 38455), (1990, 30764), (3980, 15382), (7691, 7960)]