72504340

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{4373}}^1$

素因数の和:5211

約数の個数: 24

約数和(自身を含む): 152477640

約数和(自身を除く): 79973300

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 4373, 8290, 8746, 16580, 17492, 21865, 43730, 87460, 3625217, 7250434, 14500868, 18126085, 36252170, 72504340]

約数ペア:

[(1, 72504340), (2, 36252170), (4, 18126085), (5, 14500868), (10, 7250434), (20, 3625217), (829, 87460), (1658, 43730), (3316, 21865), (4145, 17492), (4373, 16580), (8290, 8746)]