28198750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1327}}^1$

素因数の和:1366

約数の個数: 40

約数和(自身を含む): 56007072

約数和(自身を除く): 27808322

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 850, 1250, 1327, 2125, 2654, 4250, 6635, 10625, 13270, 21250, 22559, 33175, 45118, 66350, 112795, 165875, 225590, 331750, 563975, 829375, 1127950, 1658750, 2819875, 5639750, 14099375, 28198750]

約数ペア:

[(1, 28198750), (2, 14099375), (5, 5639750), (10, 2819875), (17, 1658750), (25, 1127950), (34, 829375), (50, 563975), (85, 331750), (125, 225590), (170, 165875), (250, 112795), (425, 66350), (625, 45118), (850, 33175), (1250, 22559), (1327, 21250), (2125, 13270), (2654, 10625), (4250, 6635)]