71817650

素因数分解:

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

素因数の和:767

約数の個数: 48

約数和(自身を含む): 139631688

約数和(自身を除く): 67814038

約数列:

[1, 2, 5, 10, 25, 41, 50, 53, 82, 106, 205, 265, 410, 530, 661, 1025, 1322, 1325, 2050, 2173, 2650, 3305, 4346, 6610, 10865, 16525, 21730, 27101, 33050, 35033, 54202, 54325, 70066, 108650, 135505, 175165, 271010, 350330, 677525, 875825, 1355050, 1436353, 1751650, 2872706, 7181765, 14363530, 35908825, 71817650]

約数ペア:

[(1, 71817650), (2, 35908825), (5, 14363530), (10, 7181765), (25, 2872706), (41, 1751650), (50, 1436353), (53, 1355050), (82, 875825), (106, 677525), (205, 350330), (265, 271010), (410, 175165), (530, 135505), (661, 108650), (1025, 70066), (1322, 54325), (1325, 54202), (2050, 35033), (2173, 33050), (2650, 27101), (3305, 21730), (4346, 16525), (6610, 10865)]