131731040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{117617}}^1$

素因数の和:117639

約数の個数: 48

約数和(自身を含む): 355676832

約数和(自身を除く): 223945792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 117617, 235234, 470468, 588085, 823319, 940936, 1176170, 1646638, 1881872, 2352340, 3293276, 3763744, 4116595, 4704680, 6586552, 8233190, 9409360, 13173104, 16466380, 18818720, 26346208, 32932760, 65865520, 131731040]

約数ペア:

[(1, 131731040), (2, 65865520), (4, 32932760), (5, 26346208), (7, 18818720), (8, 16466380), (10, 13173104), (14, 9409360), (16, 8233190), (20, 6586552), (28, 4704680), (32, 4116595), (35, 3763744), (40, 3293276), (56, 2352340), (70, 1881872), (80, 1646638), (112, 1176170), (140, 940936), (160, 823319), (224, 588085), (280, 470468), (560, 235234), (1120, 117617)]