25815340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14503}}^1$

素因数の和:14601

約数の個数: 24

約数和(自身を含む): 54825120

約数和(自身を除く): 29009780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 14503, 29006, 58012, 72515, 145030, 290060, 1290767, 2581534, 5163068, 6453835, 12907670, 25815340]

約数ペア:

[(1, 25815340), (2, 12907670), (4, 6453835), (5, 5163068), (10, 2581534), (20, 1290767), (89, 290060), (178, 145030), (356, 72515), (445, 58012), (890, 29006), (1780, 14503)]