79813420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44839}}^1$

素因数の和:44937

約数の個数: 24

約数和(自身を含む): 169495200

約数和(自身を除く): 89681780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 44839, 89678, 179356, 224195, 448390, 896780, 3990671, 7981342, 15962684, 19953355, 39906710, 79813420]

約数ペア:

[(1, 79813420), (2, 39906710), (4, 19953355), (5, 15962684), (10, 7981342), (20, 3990671), (89, 896780), (178, 448390), (356, 224195), (445, 179356), (890, 89678), (1780, 44839)]