25117936

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 50889600

約数和(自身を除く): 25771664

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 496, 569, 712, 1138, 1424, 2276, 2759, 4552, 5518, 9104, 11036, 17639, 22072, 35278, 44144, 50641, 70556, 101282, 141112, 202564, 282224, 405128, 810256, 1569871, 3139742, 6279484, 12558968, 25117936]

約数ペア:

[(1, 25117936), (2, 12558968), (4, 6279484), (8, 3139742), (16, 1569871), (31, 810256), (62, 405128), (89, 282224), (124, 202564), (178, 141112), (248, 101282), (356, 70556), (496, 50641), (569, 44144), (712, 35278), (1138, 22072), (1424, 17639), (2276, 11036), (2759, 9104), (4552, 5518)]