51323680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18869}}^1$

素因数の和:18901

約数の個数: 48

約数和(自身を含む): 128391480

約数和(自身を除く): 77067800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 18869, 37738, 75476, 94345, 150952, 188690, 301904, 320773, 377380, 603808, 641546, 754760, 1283092, 1509520, 1603865, 2566184, 3019040, 3207730, 5132368, 6415460, 10264736, 12830920, 25661840, 51323680]

約数ペア:

[(1, 51323680), (2, 25661840), (4, 12830920), (5, 10264736), (8, 6415460), (10, 5132368), (16, 3207730), (17, 3019040), (20, 2566184), (32, 1603865), (34, 1509520), (40, 1283092), (68, 754760), (80, 641546), (85, 603808), (136, 377380), (160, 320773), (170, 301904), (272, 188690), (340, 150952), (544, 94345), (680, 75476), (1360, 37738), (2720, 18869)]