54215120

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16529}}^1$

素因数の和:16583

約数の個数: 40

約数和(自身を含む): 129132360

約数和(自身を除く): 74917240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 16529, 33058, 66116, 82645, 132232, 165290, 264464, 330580, 661160, 677689, 1322320, 1355378, 2710756, 3388445, 5421512, 6776890, 10843024, 13553780, 27107560, 54215120]

約数ペア:

[(1, 54215120), (2, 27107560), (4, 13553780), (5, 10843024), (8, 6776890), (10, 5421512), (16, 3388445), (20, 2710756), (40, 1355378), (41, 1322320), (80, 677689), (82, 661160), (164, 330580), (205, 264464), (328, 165290), (410, 132232), (656, 82645), (820, 66116), (1640, 33058), (3280, 16529)]