81953480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{41813}}^1$

素因数の和:41838

約数の個数: 48

約数和(自身を含む): 214505820

約数和(自身を除く): 132552340

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 41813, 83626, 167252, 209065, 292691, 334504, 418130, 585382, 836260, 1170764, 1463455, 1672520, 2048837, 2341528, 2926910, 4097674, 5853820, 8195348, 10244185, 11707640, 16390696, 20488370, 40976740, 81953480]

約数ペア:

[(1, 81953480), (2, 40976740), (4, 20488370), (5, 16390696), (7, 11707640), (8, 10244185), (10, 8195348), (14, 5853820), (20, 4097674), (28, 2926910), (35, 2341528), (40, 2048837), (49, 1672520), (56, 1463455), (70, 1170764), (98, 836260), (140, 585382), (196, 418130), (245, 334504), (280, 292691), (392, 209065), (490, 167252), (980, 83626), (1960, 41813)]