42997520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13109}}^1$

素因数の和:13163

約数の個数: 40

約数和(自身を含む): 102415320

約数和(自身を除く): 59417800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 13109, 26218, 52436, 65545, 104872, 131090, 209744, 262180, 524360, 537469, 1048720, 1074938, 2149876, 2687345, 4299752, 5374690, 8599504, 10749380, 21498760, 42997520]

約数ペア:

[(1, 42997520), (2, 21498760), (4, 10749380), (5, 8599504), (8, 5374690), (10, 4299752), (16, 2687345), (20, 2149876), (40, 1074938), (41, 1048720), (80, 537469), (82, 524360), (164, 262180), (205, 209744), (328, 131090), (410, 104872), (656, 65545), (820, 52436), (1640, 26218), (3280, 13109)]