253565720

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{9043}}^1$

素因数の和:9755

約数の個数: 32

約数和(自身を含む): 571399920

約数和(自身を除く): 317834200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1402, 2804, 3505, 5608, 7010, 9043, 14020, 18086, 28040, 36172, 45215, 72344, 90430, 180860, 361720, 6339143, 12678286, 25356572, 31695715, 50713144, 63391430, 126782860, 253565720]

約数ペア:

[(1, 253565720), (2, 126782860), (4, 63391430), (5, 50713144), (8, 31695715), (10, 25356572), (20, 12678286), (40, 6339143), (701, 361720), (1402, 180860), (2804, 90430), (3505, 72344), (5608, 45215), (7010, 36172), (9043, 28040), (14020, 18086)]