28727060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 63059472

約数和(自身を除く): 34332412

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 661, 820, 1060, 1322, 2173, 2644, 3305, 4346, 6610, 8692, 10865, 13220, 21730, 27101, 35033, 43460, 54202, 70066, 108404, 135505, 140132, 175165, 271010, 350330, 542020, 700660, 1436353, 2872706, 5745412, 7181765, 14363530, 28727060]

約数ペア:

[(1, 28727060), (2, 14363530), (4, 7181765), (5, 5745412), (10, 2872706), (20, 1436353), (41, 700660), (53, 542020), (82, 350330), (106, 271010), (164, 175165), (205, 140132), (212, 135505), (265, 108404), (410, 70066), (530, 54202), (661, 43460), (820, 35033), (1060, 27101), (1322, 21730), (2173, 13220), (2644, 10865), (3305, 8692), (4346, 6610)]