27571000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 65520000

約数和(自身を除く): 37949000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 349, 395, 500, 632, 698, 790, 1000, 1396, 1580, 1745, 1975, 2792, 3160, 3490, 3950, 6980, 7900, 8725, 9875, 13960, 15800, 17450, 19750, 27571, 34900, 39500, 43625, 55142, 69800, 79000, 87250, 110284, 137855, 174500, 220568, 275710, 349000, 551420, 689275, 1102840, 1378550, 2757100, 3446375, 5514200, 6892750, 13785500, 27571000]

約数ペア:

[(1, 27571000), (2, 13785500), (4, 6892750), (5, 5514200), (8, 3446375), (10, 2757100), (20, 1378550), (25, 1102840), (40, 689275), (50, 551420), (79, 349000), (100, 275710), (125, 220568), (158, 174500), (200, 137855), (250, 110284), (316, 87250), (349, 79000), (395, 69800), (500, 55142), (632, 43625), (698, 39500), (790, 34900), (1000, 27571), (1396, 19750), (1580, 17450), (1745, 15800), (1975, 13960), (2792, 9875), (3160, 8725), (3490, 7900), (3950, 6980)]