11725720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5531}}^1$

素因数の和:5595

約数の個数: 32

約数和(自身を含む): 26885520

約数和(自身を除く): 15159800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5531, 11062, 22124, 27655, 44248, 55310, 110620, 221240, 293143, 586286, 1172572, 1465715, 2345144, 2931430, 5862860, 11725720]

約数ペア:

[(1, 11725720), (2, 5862860), (4, 2931430), (5, 2345144), (8, 1465715), (10, 1172572), (20, 586286), (40, 293143), (53, 221240), (106, 110620), (212, 55310), (265, 44248), (424, 27655), (530, 22124), (1060, 11062), (2120, 5531)]