4097942780

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1\times {\mathrm{2543}}^1$

素因数の和:3158

約数の個数: 48

約数和(自身を含む): 8673920640

約数和(自身を除く): 4575977860

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 409, 788, 818, 985, 1636, 1970, 2045, 2543, 3940, 4090, 5086, 8180, 10172, 12715, 25430, 50860, 80573, 161146, 322292, 402865, 500971, 805730, 1001942, 1040087, 1611460, 2003884, 2080174, 2504855, 4160348, 5009710, 5200435, 10019420, 10400870, 20801740, 204897139, 409794278, 819588556, 1024485695, 2048971390, 4097942780]

約数ペア:

[(1, 4097942780), (2, 2048971390), (4, 1024485695), (5, 819588556), (10, 409794278), (20, 204897139), (197, 20801740), (394, 10400870), (409, 10019420), (788, 5200435), (818, 5009710), (985, 4160348), (1636, 2504855), (1970, 2080174), (2045, 2003884), (2543, 1611460), (3940, 1040087), (4090, 1001942), (5086, 805730), (8180, 500971), (10172, 402865), (12715, 322292), (25430, 161146), (50860, 80573)]