25687840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5179}}^1$

素因数の和:5225

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 36969440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5179, 10358, 20716, 25895, 41432, 51790, 82864, 103580, 160549, 165728, 207160, 321098, 414320, 642196, 802745, 828640, 1284392, 1605490, 2568784, 3210980, 5137568, 6421960, 12843920, 25687840]

約数ペア:

[(1, 25687840), (2, 12843920), (4, 6421960), (5, 5137568), (8, 3210980), (10, 2568784), (16, 1605490), (20, 1284392), (31, 828640), (32, 802745), (40, 642196), (62, 414320), (80, 321098), (124, 207160), (155, 165728), (160, 160549), (248, 103580), (310, 82864), (496, 51790), (620, 41432), (992, 25895), (1240, 20716), (2480, 10358), (4960, 5179)]