25588330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 22311830

約数列:

[1, 2, 5, 10, 31, 62, 155, 197, 310, 394, 419, 838, 985, 1970, 2095, 4190, 6107, 12214, 12989, 25978, 30535, 61070, 64945, 82543, 129890, 165086, 412715, 825430, 2558833, 5117666, 12794165, 25588330]

約数ペア:

[(1, 25588330), (2, 12794165), (5, 5117666), (10, 2558833), (31, 825430), (62, 412715), (155, 165086), (197, 129890), (310, 82543), (394, 64945), (419, 61070), (838, 30535), (985, 25978), (1970, 12989), (2095, 12214), (4190, 6107)]