25682120

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9043}}^1$

素因数の和:9125

約数の個数: 32

約数和(自身を含む): 58605120

約数和(自身を除く): 32923000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9043, 18086, 36172, 45215, 72344, 90430, 180860, 361720, 642053, 1284106, 2568212, 3210265, 5136424, 6420530, 12841060, 25682120]

約数ペア:

[(1, 25682120), (2, 12841060), (4, 6420530), (5, 5136424), (8, 3210265), (10, 2568212), (20, 1284106), (40, 642053), (71, 361720), (142, 180860), (284, 90430), (355, 72344), (568, 45215), (710, 36172), (1420, 18086), (2840, 9043)]