520861840

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{11689}}^1$

素因数の和:12259

約数の個数: 40

約数和(自身を含む): 1213281720

約数和(自身を除く): 692419880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 5570, 8912, 11140, 11689, 22280, 23378, 44560, 46756, 58445, 93512, 116890, 187024, 233780, 467560, 935120, 6510773, 13021546, 26043092, 32553865, 52086184, 65107730, 104172368, 130215460, 260430920, 520861840]

約数ペア:

[(1, 520861840), (2, 260430920), (4, 130215460), (5, 104172368), (8, 65107730), (10, 52086184), (16, 32553865), (20, 26043092), (40, 13021546), (80, 6510773), (557, 935120), (1114, 467560), (2228, 233780), (2785, 187024), (4456, 116890), (5570, 93512), (8912, 58445), (11140, 46756), (11689, 44560), (22280, 23378)]