11455640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 29756160

約数和(自身を除く): 18300520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 251, 280, 326, 502, 652, 815, 1004, 1141, 1255, 1304, 1630, 1757, 2008, 2282, 2510, 3260, 3514, 4564, 5020, 5705, 6520, 7028, 8785, 9128, 10040, 11410, 14056, 17570, 22820, 35140, 40913, 45640, 70280, 81826, 163652, 204565, 286391, 327304, 409130, 572782, 818260, 1145564, 1431955, 1636520, 2291128, 2863910, 5727820, 11455640]

約数ペア:

[(1, 11455640), (2, 5727820), (4, 2863910), (5, 2291128), (7, 1636520), (8, 1431955), (10, 1145564), (14, 818260), (20, 572782), (28, 409130), (35, 327304), (40, 286391), (56, 204565), (70, 163652), (140, 81826), (163, 70280), (251, 45640), (280, 40913), (326, 35140), (502, 22820), (652, 17570), (815, 14056), (1004, 11410), (1141, 10040), (1255, 9128), (1304, 8785), (1630, 7028), (1757, 6520), (2008, 5705), (2282, 5020), (2510, 4564), (3260, 3514)]