1255551460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{19661}}^1$

素因数の和:19804

約数の個数: 48

約数和(自身を含む): 2748275712

約数和(自身を除く): 1492724252

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 2060, 3193, 6386, 12772, 15965, 19661, 31930, 39322, 63860, 78644, 98305, 196610, 393220, 609491, 1218982, 2025083, 2437964, 3047455, 4050166, 6094910, 8100332, 10125415, 12189820, 20250830, 40501660, 62777573, 125555146, 251110292, 313887865, 627775730, 1255551460]

約数ペア:

[(1, 1255551460), (2, 627775730), (4, 313887865), (5, 251110292), (10, 125555146), (20, 62777573), (31, 40501660), (62, 20250830), (103, 12189820), (124, 10125415), (155, 8100332), (206, 6094910), (310, 4050166), (412, 3047455), (515, 2437964), (620, 2025083), (1030, 1218982), (2060, 609491), (3193, 393220), (6386, 196610), (12772, 98305), (15965, 78644), (19661, 63860), (31930, 39322)]