122538760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{34421}}^1$

素因数の和:34521

約数の個数: 32

約数和(自身を含む): 278818200

約数和(自身を除く): 156279440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 34421, 68842, 137684, 172105, 275368, 344210, 688420, 1376840, 3063469, 6126938, 12253876, 15317345, 24507752, 30634690, 61269380, 122538760]

約数ペア:

[(1, 122538760), (2, 61269380), (4, 30634690), (5, 24507752), (8, 15317345), (10, 12253876), (20, 6126938), (40, 3063469), (89, 1376840), (178, 688420), (356, 344210), (445, 275368), (712, 172105), (890, 137684), (1780, 68842), (3560, 34421)]