79444940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 174123264

約数和(自身を除く): 94678324

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1321, 1940, 2642, 3007, 5284, 6014, 6605, 12028, 13210, 15035, 26420, 30070, 40951, 60140, 81902, 128137, 163804, 204755, 256274, 409510, 512548, 640685, 819020, 1281370, 2562740, 3972247, 7944494, 15888988, 19861235, 39722470, 79444940]

約数ペア:

[(1, 79444940), (2, 39722470), (4, 19861235), (5, 15888988), (10, 7944494), (20, 3972247), (31, 2562740), (62, 1281370), (97, 819020), (124, 640685), (155, 512548), (194, 409510), (310, 256274), (388, 204755), (485, 163804), (620, 128137), (970, 81902), (1321, 60140), (1940, 40951), (2642, 30070), (3007, 26420), (5284, 15035), (6014, 13210), (6605, 12028)]