200720720

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{4093}}^1$

素因数の和:4719

約数の個数: 40

約数和(自身を含む): 467551176

約数和(自身を除く): 266830456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1226, 2452, 3065, 4093, 4904, 6130, 8186, 9808, 12260, 16372, 20465, 24520, 32744, 40930, 49040, 65488, 81860, 163720, 327440, 2509009, 5018018, 10036036, 12545045, 20072072, 25090090, 40144144, 50180180, 100360360, 200720720]

約数ペア:

[(1, 200720720), (2, 100360360), (4, 50180180), (5, 40144144), (8, 25090090), (10, 20072072), (16, 12545045), (20, 10036036), (40, 5018018), (80, 2509009), (613, 327440), (1226, 163720), (2452, 81860), (3065, 65488), (4093, 49040), (4904, 40930), (6130, 32744), (8186, 24520), (9808, 20465), (12260, 16372)]