26007580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 58212000

約数和(自身を除く): 32204420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 769, 890, 1538, 1691, 1780, 3076, 3382, 3845, 6764, 7690, 8455, 14611, 15380, 16910, 29222, 33820, 58444, 68441, 73055, 136882, 146110, 273764, 292220, 342205, 684410, 1300379, 1368820, 2600758, 5201516, 6501895, 13003790, 26007580]

約数ペア:

[(1, 26007580), (2, 13003790), (4, 6501895), (5, 5201516), (10, 2600758), (19, 1368820), (20, 1300379), (38, 684410), (76, 342205), (89, 292220), (95, 273764), (178, 146110), (190, 136882), (356, 73055), (380, 68441), (445, 58444), (769, 33820), (890, 29222), (1538, 16910), (1691, 15380), (1780, 14611), (3076, 8455), (3382, 7690), (3845, 6764)]