1277881040

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{25889}}^1$

素因数の和:26519

約数の個数: 40

約数和(自身を含む): 2976003720

約数和(自身を除く): 1698122680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 4936, 6170, 9872, 12340, 24680, 25889, 49360, 51778, 103556, 129445, 207112, 258890, 414224, 517780, 1035560, 2071120, 15973513, 31947026, 63894052, 79867565, 127788104, 159735130, 255576208, 319470260, 638940520, 1277881040]

約数ペア:

[(1, 1277881040), (2, 638940520), (4, 319470260), (5, 255576208), (8, 159735130), (10, 127788104), (16, 79867565), (20, 63894052), (40, 31947026), (80, 15973513), (617, 2071120), (1234, 1035560), (2468, 517780), (3085, 414224), (4936, 258890), (6170, 207112), (9872, 129445), (12340, 103556), (24680, 51778), (25889, 49360)]