61301420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{34439}}^1$

素因数の和:34537

約数の個数: 24

約数和(自身を含む): 130183200

約数和(自身を除く): 68881780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 34439, 68878, 137756, 172195, 344390, 688780, 3065071, 6130142, 12260284, 15325355, 30650710, 61301420]

約数ペア:

[(1, 61301420), (2, 30650710), (4, 15325355), (5, 12260284), (10, 6130142), (20, 3065071), (89, 688780), (178, 344390), (356, 172195), (445, 137756), (890, 68878), (1780, 34439)]