42005720

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1789}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 94726800

約数和(自身を除く): 52721080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 1789, 2348, 2935, 3578, 4696, 5870, 7156, 8945, 11740, 14312, 17890, 23480, 35780, 71560, 1050143, 2100286, 4200572, 5250715, 8401144, 10501430, 21002860, 42005720]

約数ペア:

[(1, 42005720), (2, 21002860), (4, 10501430), (5, 8401144), (8, 5250715), (10, 4200572), (20, 2100286), (40, 1050143), (587, 71560), (1174, 35780), (1789, 23480), (2348, 17890), (2935, 14312), (3578, 11740), (4696, 8945), (5870, 7156)]