137996840

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{3643}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 310906080

約数和(自身を除く): 172909240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 3643, 3788, 4735, 7286, 7576, 9470, 14572, 18215, 18940, 29144, 36430, 37880, 72860, 145720, 3449921, 6899842, 13799684, 17249605, 27599368, 34499210, 68998420, 137996840]

約数ペア:

[(1, 137996840), (2, 68998420), (4, 34499210), (5, 27599368), (8, 17249605), (10, 13799684), (20, 6899842), (40, 3449921), (947, 145720), (1894, 72860), (3643, 37880), (3788, 36430), (4735, 29144), (7286, 18940), (7576, 18215), (9470, 14572)]