51199160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31219}}^1$

素因数の和:31271

約数の個数: 32

約数和(自身を含む): 118011600

約数和(自身を除く): 66812440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 31219, 62438, 124876, 156095, 249752, 312190, 624380, 1248760, 1279979, 2559958, 5119916, 6399895, 10239832, 12799790, 25599580, 51199160]

約数ペア:

[(1, 51199160), (2, 25599580), (4, 12799790), (5, 10239832), (8, 6399895), (10, 5119916), (20, 2559958), (40, 1279979), (41, 1248760), (82, 624380), (164, 312190), (205, 249752), (328, 156095), (410, 124876), (820, 62438), (1640, 31219)]