65532220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{821}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 148867488

約数和(自身を除く): 83335268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 821, 1228, 1535, 1642, 3070, 3284, 3991, 4105, 6140, 7982, 8210, 10673, 15964, 16420, 19955, 21346, 39910, 42692, 53365, 79820, 106730, 213460, 252047, 504094, 1008188, 1260235, 2520470, 3276611, 5040940, 6553222, 13106444, 16383055, 32766110, 65532220]

約数ペア:

[(1, 65532220), (2, 32766110), (4, 16383055), (5, 13106444), (10, 6553222), (13, 5040940), (20, 3276611), (26, 2520470), (52, 1260235), (65, 1008188), (130, 504094), (260, 252047), (307, 213460), (614, 106730), (821, 79820), (1228, 53365), (1535, 42692), (1642, 39910), (3070, 21346), (3284, 19955), (3991, 16420), (4105, 15964), (6140, 10673), (7982, 8210)]