30481040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9293}}^1$

素因数の和:9347

約数の個数: 40

約数和(自身を含む): 72604728

約数和(自身を除く): 42123688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9293, 18586, 37172, 46465, 74344, 92930, 148688, 185860, 371720, 381013, 743440, 762026, 1524052, 1905065, 3048104, 3810130, 6096208, 7620260, 15240520, 30481040]

約数ペア:

[(1, 30481040), (2, 15240520), (4, 7620260), (5, 6096208), (8, 3810130), (10, 3048104), (16, 1905065), (20, 1524052), (40, 762026), (41, 743440), (80, 381013), (82, 371720), (164, 185860), (205, 148688), (328, 92930), (410, 74344), (656, 46465), (820, 37172), (1640, 18586), (3280, 9293)]