521680840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{86371}}^1$

素因数の和:86533

約数の個数: 32

約数和(自身を含む): 1181568960

約数和(自身を除く): 659888120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 86371, 172742, 345484, 431855, 690968, 863710, 1727420, 3454840, 13042021, 26084042, 52168084, 65210105, 104336168, 130420210, 260840420, 521680840]

約数ペア:

[(1, 521680840), (2, 260840420), (4, 130420210), (5, 104336168), (8, 65210105), (10, 52168084), (20, 26084042), (40, 13042021), (151, 3454840), (302, 1727420), (604, 863710), (755, 690968), (1208, 431855), (1510, 345484), (3020, 172742), (6040, 86371)]