1285497680

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{156007}}^1$

素因数の和:156123

約数の個数: 40

約数和(自身を含む): 3017818752

約数和(自身を除く): 1732321072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 156007, 312014, 624028, 780035, 1248056, 1560070, 2496112, 3120140, 6240280, 12480560, 16068721, 32137442, 64274884, 80343605, 128549768, 160687210, 257099536, 321374420, 642748840, 1285497680]

約数ペア:

[(1, 1285497680), (2, 642748840), (4, 321374420), (5, 257099536), (8, 160687210), (10, 128549768), (16, 80343605), (20, 64274884), (40, 32137442), (80, 16068721), (103, 12480560), (206, 6240280), (412, 3120140), (515, 2496112), (824, 1560070), (1030, 1248056), (1648, 780035), (2060, 624028), (4120, 312014), (8240, 156007)]