25640890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{907}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 50601024

約数和(自身を除く): 24960134

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 907, 1285, 1814, 2570, 2827, 4535, 5654, 9070, 9977, 14135, 19954, 28270, 49885, 99770, 233099, 466198, 1165495, 2330990, 2564089, 5128178, 12820445, 25640890]

約数ペア:

[(1, 25640890), (2, 12820445), (5, 5128178), (10, 2564089), (11, 2330990), (22, 1165495), (55, 466198), (110, 233099), (257, 99770), (514, 49885), (907, 28270), (1285, 19954), (1814, 14135), (2570, 9977), (2827, 9070), (4535, 5654)]