15240520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9293}}^1$

素因数の和:9345

約数の個数: 32

約数和(自身を含む): 35131320

約数和(自身を除く): 19890800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9293, 18586, 37172, 46465, 74344, 92930, 185860, 371720, 381013, 762026, 1524052, 1905065, 3048104, 3810130, 7620260, 15240520]

約数ペア:

[(1, 15240520), (2, 7620260), (4, 3810130), (5, 3048104), (8, 1905065), (10, 1524052), (20, 762026), (40, 381013), (41, 371720), (82, 185860), (164, 92930), (205, 74344), (328, 46465), (410, 37172), (820, 18586), (1640, 9293)]