2817520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 6718320

約数和(自身を除く): 3900800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 859, 1640, 1718, 3280, 3436, 4295, 6872, 8590, 13744, 17180, 34360, 35219, 68720, 70438, 140876, 176095, 281752, 352190, 563504, 704380, 1408760, 2817520]

約数ペア:

[(1, 2817520), (2, 1408760), (4, 704380), (5, 563504), (8, 352190), (10, 281752), (16, 176095), (20, 140876), (40, 70438), (41, 68720), (80, 35219), (82, 34360), (164, 17180), (205, 13744), (328, 8590), (410, 6872), (656, 4295), (820, 3436), (859, 3280), (1640, 1718)]