25265080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 59891040

約数和(自身を除く): 34625960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 397, 430, 740, 794, 860, 1480, 1588, 1591, 1720, 1985, 3176, 3182, 3970, 6364, 7940, 7955, 12728, 14689, 15880, 15910, 17071, 29378, 31820, 34142, 58756, 63640, 68284, 73445, 85355, 117512, 136568, 146890, 170710, 293780, 341420, 587560, 631627, 682840, 1263254, 2526508, 3158135, 5053016, 6316270, 12632540, 25265080]

約数ペア:

[(1, 25265080), (2, 12632540), (4, 6316270), (5, 5053016), (8, 3158135), (10, 2526508), (20, 1263254), (37, 682840), (40, 631627), (43, 587560), (74, 341420), (86, 293780), (148, 170710), (172, 146890), (185, 136568), (215, 117512), (296, 85355), (344, 73445), (370, 68284), (397, 63640), (430, 58756), (740, 34142), (794, 31820), (860, 29378), (1480, 17071), (1588, 15910), (1591, 15880), (1720, 14689), (1985, 12728), (3176, 7955), (3182, 7940), (3970, 6364)]