29243960

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1489}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 65977200

約数和(自身を除く): 36733240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1489, 1964, 2455, 2978, 3928, 4910, 5956, 7445, 9820, 11912, 14890, 19640, 29780, 59560, 731099, 1462198, 2924396, 3655495, 5848792, 7310990, 14621980, 29243960]

約数ペア:

[(1, 29243960), (2, 14621980), (4, 7310990), (5, 5848792), (8, 3655495), (10, 2924396), (20, 1462198), (40, 731099), (491, 59560), (982, 29780), (1489, 19640), (1964, 14890), (2455, 11912), (2978, 9820), (3928, 7445), (4910, 5956)]